Alpha AlphaGateway IoT Technical Manual

Brand: Alpha

Model: AlphaGateway IoT

Type: Technical Manual

AlphaGateway SMG-00LI-01

Technical Manual

Eective: May 2018

Safety Notes

Alpha considers customer safety and satisfaction its most important priority. To reduce the risk of

injury or death and to ensure continual safe operation of this product, certain information is presented

dierently in this manual. Alpha tries to adhere to ANSI Z535 and encourages special attention and

care to information presented in the following manner:

The following sections contain important safety information that must be followed during the

installation and maintenance of the equipment and batteries. Read all of the instructions before

installing or operating the equipment, and save this manual for future reference.

There may be multiple warnings associated with the call out. Example:

ATTENTION provides specic regulatory/code requirements that may aect the placement of

equipment and /or installation procedures.

ATTENTION:

NOTICE provides additional information to help complete a specic task or procedure.

NOTICE:

ELECTRICAL HAZARD WARNING provides electrical safety information to PREVENT

INJURY OR DEATH to the technician or user.

WARNING! ELECTRICAL HAZARD

FUMES HAZARD WARNING provides fumes safety information to PREVENT INJURY OR

DEATH to the technician or user.

WARNING! FUMES HAZARD

FIRE HAZARD WARNING provides ammability safety information to PREVENT INJURY OR

DEATH to the technician or user.

WARNING! FIRE HAZARD

This WARNING provides safety information for both Electrical AND Fire Hazards

WARNING! ELECTRICAL & FIRE HAZARD

CAUTION provides safety information intended to PREVENT DAMAGE to material or

equipment.

CAUTION!

GENERAL HAZARD WARNING provides safety information to PREVENT INJURY OR

DEATH to the technician or user.

WARNING! GENERAL HAZARD

3018-354-B0-001, Rev. A (05/2018)

AlphaGateway SMG-00LI-01

Technical Manual

018-354-B0-001, Rev. A

Eective Date: May 2018

2018 by Alpha Technologies, Inc.

Disclaimer

Images contained in this manual are for illustrative purposes only. These images may not match your

installation.

Operator is cautioned to review the drawings and illustrations contained in this manual before

proceeding. If there are questions regarding the safe operation of this powering system, please

contact Alpha Technologies or your nearest Alpha representative.

Alpha shall not be held liable for any damage or injury involving its enclosures, power supplies,

generators, batteries or other hardware if used or operated in any manner or subject to any condition

not consistent with its intended purpose or is installed or operated in an unapproved manner or

improperly maintained.

Contact Information

Sales information and customer service in USA

(7AM to 5PM, Pacic Time):

Complete technical support in USA

(7AM to 5PM, Pacic Time or 24/7 emergency support):

Sales information and technical support in Canada:

Website:

1 800 863 3364

1 888 462 7487

www.alpha.com

1 800 322 5742

4 018-354-B0-001, Rev. A (05/2018)

Table of Contents

AlphaGateway SMG Safety and Compliance Notes . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.1 AlphaGateway SMG Connections and Indicators . . . . . . . . . . . . . . . . . . . . . . . 7

1.2 Kit Contents and Part Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.0 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.1 Standard Installation Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.2 Horizontal Installation Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.3 External Dipole Antenna Installation Procedure . . . . . . . . . . . . . . . . . . . . . . . 14

2.4 Start-Up and Verication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.0 Network Conguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.1 Provisioning the DHCP Server with the MAC Addresses. . . . . . . . . . . . . . . . . . . 16

3.2 Establishing IP Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.3 The DOCSIS Conguration File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.4 Setting Communication Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

4.0 Managing the SMG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

4.1 Remote Access - Web Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

4.2 Navigating the SMG Web Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

5.0 LoRaWAN Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

5.1 Denitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

5.2 Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

5.3 Alarm Reporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

5.4 LED Strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

6.0 Technical Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Figures

Fig. 1-1, AlphaGateway SMG Connections and Ports . . . . . . . . . . . . . . . . . . . . . . . . . 7

Fig. 2-1, Strand Mount Bracket Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Fig. 2-2, Strand Mount Clamp Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Fig. 2-3, Antenna Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Fig. 2-4, SMG and Antenna Bracket Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Fig. 2-5, Ground Lug Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Fig. 2-6, Horizontal Bracket Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Fig. 2-7, Horizontal Clamp Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Fig. 2-8, Horizontal Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Fig. 2-9, Antenna Bracket and Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Fig. 2-10, External Dipole Antenna on Strand . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Fig. 2-11, Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Fig. 3-1, Locations of MAC Address Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Fig. 4-1, SMG Home Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Fig. 4-2, Navigation Pane Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Fig. 4-3, System Link, Navigation Pane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Fig. 4-4, Gateway Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Fig. 4-5, DOCSIS Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Fig. 4-6, Alarms Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

5018-354-B0-001, Rev. A (05/2018)

Tables

Table 2-1, Status LEDs and Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Table 3-1, Modem Community String Parameters - docsDevNmAccess Method . . . . . . . . . . 18

Table 3-2, Modem Community String Parameters - Coexistence Method . . . . . . . . . . . . . . 19

Table 3-3, Trap Destination Addresses - docsDevNmAccess Method . . . . . . . . . . . . . . . 20

Table 3-4, Trap Destination Addresses - docsDevNmAccess Method . . . . . . . . . . . . . . . 21

Table 3-6, Communications Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 4-1, Spectrum Tool Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Table 4-2, Spectrum Table Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Table 5-1, Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Table 5-2, Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Table 5-3, LED Strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Table 6-1, SMG-00LI-01 Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Table 6-2, CH2P900 Antenna Specications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Table 6-3, ET915NJMR Antenna Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Fig. 4-7, History Pages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Fig. 4-8, Modem Log Page. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Fig. 4-9, Tools Pages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Fig. 4-10, QAM Constellation Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Fig. 4-11, Normal (Good Quality) and Individual Cell Characteristics . . . . . . . . . . . . . . . . 35

Fig. 4-12, Fuzzy (Low CNR and/or Low MER) and Individual Cell Characteristics . . . . . . . . . 35

Fig. 4-13, Doughnuts (Coherent Interference) and Individual Cell Characteristics . . . . . . . . . 36

Fig. 4-14, Gaussian Noise and Individual Cell Characteristics. . . . . . . . . . . . . . . . . . . . 36

Fig. 4-15, Regular vs. Square (I-Q Imbalance) and Entire Constellation Shape. . . . . . . . . . . 37

Fig. 4-16, Corners Squeezed to Center (Gain Compression) and Entire Constellation Shape . . . 37

Fig. 4-17, Circular Smear (Phase Noise) and Entire Constellation Shape. . . . . . . . . . . . . . 38

Fig. 4-18, Twisted or Skewed (Quadrature Distortion) and Entire Constellation Shape . . . . . . . 38

Fig. 4-19, Microreections Tool. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Fig. 4-20, Spectrum Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Fig. 4-21, Spectrum Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Figures, Continued

6 018-354-B0-001, Rev. A (05/2018)

• The Gateway contains hazardous voltage. Only qualied personnel should service the Gateway.

WARNING! ELECTRICAL HAZARD

• CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH

SAME TYPE AND RATING OF FUSE:

• F2 2AG, Slo-Blo® Fuse Littlefuse 229/230 Series Type 0229 007. Rated 125V, 7A or equivalent.

WARNING! ELECTRICAL & FIRE HAZARD

• Only qualied personnel should service the Gateway

• Verify the voltage requirements of the equipment to be protected (load), the AC input voltage to the

Gateway (line) and the output voltage of the system prior to installation.

• When connecting the load, DO NOT exceed the output rating of the Gateway.

CAUTION!

AlphaGateway SMG Safety and Compliance Notes

Safety Precautions

Grounding and Earth Connection Notes

In order to provide a ready, reliable source of power, it is necessary to connect the Gateway to an eective grounding

and earthing system. This not only provides for the safety of the service personnel responsible for its operation and

maintenance, but also facilitates the proper operation and protection of the equipment within the network. Such a

grounding system provides protection with respect to operator safety, system communication and equipment protection.

Lightning strikes, grid switching or other aberrations on the power line and/or communications cable have the potential

to cause high-energy transients that can damage the powering or communications systems. The most viable method

available to protect the system from damage is to divert these unwanted high-energy transients along a low-impedance

path to earth. A low-impedance path to earth prevents these currents from reaching high voltage levels and posing a

threat to equipment.

Observe the safety information contained in the technical manuals for the various system components

(Gateways, Antennas, Power Passing Taps, Cables, and Connectors) as well as local codes for servicing

electrical systems and working at height.

WARNING! GENERAL HAZARD

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device

may not cause harmful interference, and (2) this device must accept any interference received, including interference that

may cause undesired operation.

This product has been inspected by regulatory for use as described in the manual. If your intended use is dierent, it

is your responsibility to ensure your combination conforms to your local regulatory requirements and the Gateway and

components remains within its environmental specications.

ATTENTION:

Contains FCC ID: 2ALEPT0004564

FCC Compliance

7018-354-B0-001, Rev. A (05/2018)

1.0 Introduction

The SMG-00LI-01 is a strand-mounted HFC-powered, DOCSIS 3.0 LoRaWAN Gateway that utilizes the power, backhaul

and real-estate of the Broadband Access Network’s areal coax network to enable LoRaWAN communications.

The SMG-00LI-01 has the following key features:

• Passively cooled carrier-grade design (IP67)

• Full-Duplex Operation

• 2x LoRaWAN RF antenna connections

• Supports multicarrier LoRaWAN transmission

• Full 64 + 8 LoRaWAN uplink channel support

• Flexible uplink channel conguration (eg. 32 channel full Rx diversity or 56 channel + 8 channel Rx diversity)

• Ethernet Backhaul via DOCSIS3.0

• GPS-based position and synchronized timing

1.1 AlphaGateway SMG Connections and Indicators

Fig. 1-1, AlphaGateway SMG Connections and Ports

LoRaWAN

Antenna Ports

Ground Lug

Connection

Coaxial F Connector Port

(Provides power to the SMG via a

power passing tap as well as data

backhaul and status monitoring to

the HFC network)

Status LEDs

1.0 Introduction, continued

8 018-354-B0-001, Rev. A (05/2018)

1.2 Kit Contents and Part Numbers

SMG-00LI congurations:

• SMG-00LI-01-00SL with 3” Strand Brackets, Vertical Orientation (PN: 018-354-20-001)

• SMG-00LI-01-00S2 with 2” Strand Brackets, Horizontal Orientation (PN: 018-354-22-001)

Bracket Kits:

• 3” Strand Mount Bracket Kit for Vertical Orientation (PN: 746-627-23-001)

• 2” Strand Mount Bracket Kit for Horizontal Orientation (PN: 746-627-30-001) includes:

• 2” Strand Mount Bracket Kit for SMG-00LI (PN: 746-627-22-001)

• 2” Strand Mount Bracket Kit for 2-in-1 Combo Antenna (PN: 746-627-24-001)

• Right-Angle Adaptor for GPS Antenna, Horizontal Orientation (PN: 659-014-10)

Antenna Kits:

• External Dipole Antenna Kit (PN: 746-627-41-001) includes:

• (2) External Dipole Antenna ET915NJMR (PN: 670-016-19)

• (1) Antenna Cable 50” (PN: 876-275-19)

• (1) Antenna Cable 75” (PN: 876-274-19)

• (2) Strand Mount Bracket Kit for External Dipole Antenna (PN: 746-627-31-001)

• 2-in-1 Combo Antenna Kit (PN: 746-627-40-001) includes:

• (1) 2-in-1 Combo Antenna CH2P900 (PN: 670-024-19)

• (1) Antenna Cable 50” (PN: 876-275-19)

• (1) Antenna Cable 75” (PN: 876-274-19)

A vertical SMG-00LI installation congured with the 2-in-1 Combo Antenna requires two sets of the 3” Strand Mount

Bracket Kits (PN: 746-627-23-001).

NOTICE:

9018-354-B0-001, Rev. A (05/2018)

2.0 Installation

Prior to Installation:

• Provision the SMG’s DOCSIS Modem and RF MAC Address. This can include, but is not limited to:

• Assign a cable modem conguration le with the EMS as a trap destination, CPE enabled, and the bandwidth

set properly.

• Set up a billing account (if applicable)

• Install a power-passing tap on the hard coax.

Required Tools and Materials (User-Supplied):

• Torque Wrench

• 3/8” (10mm) Socket

• 1/2” (13mm) Socket

2.1 Standard Installation Procedure

1. Using the hex head bolts, lock washers, and at washers, secure the strand brackets (PN: 746-627-23-001) to the

SMG (PN: 018-354-20-001), torquing to 44.3 – 53.1 in-lbs (5 – 6 N-m). Verify proper orientation as shown in the

image below.

Fig. 2-1, Strand Mount Bracket Installation

Hex head bolt

Flat washer

Lock washer

Bracket

SMG

Main enclosure bolts are required to be torqued to 44.3 – 53.1 in-lbs (5 – 6 N-m).

NOTICE:

2.0 Installation, Continued

10 018-354-B0-001, Rev. A (05/2018)

2. Hang both brackets on the strand through the clamps on the bracket as shown. For thicker 3/8” strands, reverse

the orientation of the clamp so that the larger concave side faces the strand. Insert the carriage bolt through the

back of the bracket and tighten the hex head nut, lock washer, and at washer against the clamp on the front of

the bracket, torquing to 79.7 – 88.5 in-lbs (9 – 10 N-m). Repeat for the second bracket.

Fig. 2-2, Strand Mount Clamp Installation

3. Remove the plugs from the top of the 2-in-1 Combo Antenna (PN: 670-024-19) and secure two strand-mounting

brackets (PN: 746-627-23-001) in their place. Position the strand-mounting brackets around the strand and

verify proper orientation as shown. Use the hex head bolts, lock washers, and at washers to secure the strand

brackets to the antenna module, torquing to 44.3 – 53.1 in-lbs (5 – 6 N-m).

Fig. 2-3, Antenna Installation

Bracket

Strand

Carriage bolt

Hex head nut

Lock washer

Flat washer

Clamp

Hex head bolt

Flat washer

Lock washer

Bracket

Antenna

2.0 Installation, Continued

11018-354-B0-001, Rev. A (05/2018)

4. Hang the antenna on the strand about 36” from the ports on the side of the SMG. For thicker 3/8” strands, reverse

the orientation of the clamp so that the larger concave side faces the strand. Insert the carriage bolt through the

back of the bracket and tighten the hex head nut, lock washer, and at washer against the clamp on the front of

the bracket, torquing to 79.7 – 88.5 in-lbs (9 – 10 N-m). Repeat for the second bracket.

Fig. 2-4, SMG and Antenna Bracket Orientation

5. Attach the antenna cables to the SMG Antenna ports on one end and to the antenna housing on the other. Torque

connectors to 15 – 20 in-lbs (1.7 – 2.3 N-m).

6. Properly ground the SMG by connecting a #6 AWG wire from the grounding lug on the outside of the enclosure

to either a driven ground rod or the strand ground on the pole to which the unit is mounted. Apply anti-oxidant

compound (e.g. Noalox® or equivalent) to the ground connection. Torque to 44.3 in-lbs (5 N-m).

Fig. 2-5, Ground Lug Connection

7. Proceed to the “Start-Up and Verication” section.

36”

Ground Lug

Connection

2.0 Installation, Continued

12 018-354-B0-001, Rev. A (05/2018)

2.2 Horizontal Installation Procedure

1. Attach the GPS Antenna (PN: 670-025-19) to the SMG (PN: 018-354-22-001) using a 13/16” wrench and the

included right angle adapter (PN: 659-014-10) as shown in the image below. Torque to 15 – 20 in-lbs (1.7 – 2.3

N-m).

2. Using the hex head bolts, lock washers, and at washers, secure the strand brackets (PN: 746-627-22-001) to the

SMG, torquing to 44.3 – 53.1 in-lbs (5 – 6 N-m). Verify proper orientation as shown in the image below.

Fig. 2-6, Horizontal Bracket Installation

3. Hang both brackets on the strand through the clamps on the bracket as shown. For thicker 3/8” strands, reverse

the orientation of the clamp so that the larger concave side faces the strand. Insert the carriage bolt through the

back of the bracket and tighten the hex head nut, lock washer, and at washer against the clamp on the front of

the bracket, torquing to 79.7 – 88.5 in-lbs (9 – 10 N-m). Repeat for the second bracket.

Fig. 2-7, Horizontal Clamp Installation

2.0 Installation, Continued

13018-354-B0-001, Rev. A (05/2018)

4. Using the hex head bolts, lock washers, and at washers, secure the strand brackets (PN: 746-627-24-001) to the

dual antenna module, torquing to 44.3 – 53.1 in-lbs (5 – 6 N-m).

5. Hang the antenna on the strand about 36” from the ports on the side of the SMG. For thicker 3/8” strands, reverse

the orientation of the clamp so that the larger concave side faces the strand. Insert the carriage bolt through the

back of the bracket and tighten the hex head nut, lock washer, and at washer against the clamp on the front of

the bracket, torquing to 79.7 – 88.5 in-lbs (9 – 10 N-m). Repeat for the second bracket.

Fig. 2-8, Horizontal Setup

6. Attach the antenna cables to the SMG Antenna ports on one end and to the antenna housing on the other. Torque

connectors to 15 – 20 in-lbs (1.7 – 2.3 N-m).

7. Properly ground the SMG by connecting a #6 AWG wire from the grounding lug on the outside of the enclosure

to either a driven ground rod or the strand ground on the pole to which the unit is mounted. Apply anti-oxidant

compound (e.g. Noalox® or equivalent) to the ground connection. Torque to 44.3 in-lbs (5 N-m).

8. Proceed to the “Start-Up and Verication” section.

2.0 Installation, Continued

14 018-354-B0-001, Rev. A (05/2018)

2.3 External Dipole Antenna Installation Procedure

1. Follow the standard installation steps 1 and 2 for hanging the SMG on the strand.

2. Attach each external dipole antenna to a strand mount bracket (PN: 746-627-31-001) using the included

hardware, as shown below. Torque to 79.7 – 88.5 in-lbs (9 – 10 N-m).

Fig. 2-9, Antenna Bracket and Hardware

3. With each antenna secured, hang the brackets on the strand at about 36” and 60” away from the ports on the side

of the SMG. For thicker 3/8” strands, reverse the orientation of the clamp so that the larger concave side faces the

strand. Insert the carriage bolt through the bottom of the bracket and tighten the hex head nut, lock washer, and

at washer against the clamp on the top of the bracket, torquing to 79.7 – 88.5 in-lbs (9 – 10 N-m). Repeat for the

second bracket.

4. Attach the antenna cables to the SMG Antenna ports on one end and to each antenna on the other. Torque

connectors to 15 – 20 in-lbs (1.7 – 2.3 N-m).

Fig. 2-10, External Dipole Antenna on Strand

5. Properly ground the SMG by connecting a #6 AWG wire from the grounding lug on the outside of the enclosure

to either a driven ground rod or the strand ground on the pole to which the unit is mounted. Apply anti-oxidant

compound (e.g. Noalox® or equivalent) to the ground connection. Torque to 44.3 in-lbs (5 N-m).

6. Proceed to the “Start-Up and Verication” section.

Hex head nut

Lock washer

Flat washer

Hex head bolt

2.0 Installation, Continued

15018-354-B0-001, Rev. A (05/2018)

2.4 Start-Up and Verication

Fig. 2-11, Status LEDs

1. Connect the powered-coax from the coaxial F connector port to the power-passing tap or directional coupler.

When installing the coax to the F Connector, torque to 35 in-lbs (4.0 N-m).

2. Verify that the unit powers up by looking at the DOCSIS Modem “DS” LED.

Table 2-1, Status LEDs and Indications

Coaxial F Connector

Port (Provides power

to the SMG via a

power passing tap as

well as data backhaul

and status monitoring

to the HFC network)

Status LEDs

ONLINE

LoRa

RF levels at the power-passing tap need to be balanced according to WiFi HFC Plant RF Design Specications.

NOTICE:

Status LEDs and Indications

LED or

Connector

Status Behavior Indication

LoRa

GREEN

OFF / ON Module is initializing

Module is operational with an application (e.g. Packet

forwarder) running. LoRaWAN uplink and downlink packets

are supported.

RED

OFF / ON

Failure related to interfaces - technician to check

connections, run interface Built in Self Tests (BIST), check

software versions and upgrade if required.

ON Unit is in fault condition and requires service

ONLINE:

(Online status)

GREEN

OFF No Communications Activity

OFF / ON

Flashes while performing early authentication, IP

connectivity, BPI intialization.

ON Online and Operational

US: Upstream

ranging and

registration lock

GREEN

OFF No power, upstream frequency undetermined

OFF / ON Power on, downstream locked, upstream frequency ranging

ON Initial CM ranging completed

DS: Downstream

RF Carrier

detection and

lock

GREEN

OFF No Power / Downstream Carrier

OFF / ON Power on, downstream carrier frequency searching

ON Downstream carrier lock

16 018-354-B0-001, Rev. A (05/2018)

3.0 Network Configuration

3.1 Provisioning the DHCP Server with the MAC Addresses

On the DHCP server, assign the cable modem’s CM MAC address with a DOCSIS Conguration File to set modem

communication options. (See Section 3.3, The DOCSIS Conguration File for instructions on how to create a DOCSIS

Conguration File).

The CM and CPE MAC addresses are located near the hinges on the bottom of the SMG. Record this information before

continuing with network conguration.

Fig. 3-1, Locations of MAC Address Labels

MAC

Address

Label

17018-354-B0-001, Rev. A (05/2018)

3.0 Network Conguration, Continued

3.2 Establishing IP Connectivity

3.3 The DOCSIS Conguration File

A cable modem’s DOCSIS Conguration File is a type-length-value (TLV) le that contains important operational

parameters as dened by the DOCSIS standards. It provides certain settings for the cable modem. In addition to standard

entries, settings in the DOCSIS Conguration File should include the modem’s community strings and if an upgrade is

necessary, rmware upgrade parameters. Place the Conguration File in the TFTP root directory.

The transponder’s cable modem interface can support both IPv4 and IPv6 addressing schemes. The required DOCSIS

Conguration File operational parameters will dier depending on company policies, cable modem rmware versions and

IP addressing schemes. The following DOCSIS Conguration File details listed in this manual are general guidelines.

Please consult the published DOCSIS Specication resources (CableLabs) for additional DOCSIS Conguration File

details and guidelines.

To build a DOCSIS Conguration File, use a DOCSIS TLV editor program.

See the example Conguration Files in Sections 3.3.5 and 3.3.6.

The modem community strings should be set in the DOCSIS Conguration File. Failure to set community strings

will result in a less secure system. The modem follows standard DOCSIS process for upgrading rmware.

NOTICE:

The Alpha SMG / LoRaWAN currently supports IPv4 only.

NOTICE:

18 018-354-B0-001, Rev. A (05/2018)

3.0 Network Conguration, Continued

3.3.1 Setting Modem Community Strings - docsDevNmAccess Method (IPv4 Only)

Set the modem community strings with the DOCSIS Conguration File by including the following SNMP parameters.

Table 3-1, Modem Community String Parameters - docsDevNmAccess Method

Modem Community String Parameters docsDevNmAccess Method

MIB Parameter Object ID Description Value

docsDevNmAccessIp 1.3.6.1.2.1.69.1.2.1.2.x The IP address (or subnet) of

the NMS

e.g. 10.20.30.0

docsDevNmAccessIpMask 1.3.6.1.2.1.69.1.2.1.3.x The IP subnet mask of the NMS e.g. 255.255.255.0

docsDevNmAccessCommunity 1.3.6.1.2.1.69.1.2.1.4.x The community string matched

to this IP address net mask entry

alphanumeric string

docsDevNmAccessControl 1.3.6.1.2.1.69.1.2.1.5.x The level of access granted 1-3

None, Read Only, Read /

Write

docsDevNmAccessInterfaces 1.3.6.1.2.1.69.1.2.1.6.x Species the set of interfaces

from which requests from this

NMS will be accepted

0x40 : Cable interface

(typical)

0x80 : Ethernet interface

0xC0 or 0x00 : Both

interfaces

docsDevNmAccessStatus 1.3.6.1.2.1.69.1.2.1.7.x Controls and reects the status

of rows in this table

Note: X denotes the index of the SNMP entry

19018-354-B0-001, Rev. A (05/2018)

3.0 Network Conguration, Continued

3.3.2 Setting Modem Community Strings - Coexistence Method

Set the modem community strings with the DOCSIS Conguration File for an IPv4 or IPv6 network by including the

following SNMP parameters:

Table 3-2, Modem Community String Parameters - Coexistence Method

Modem Community String Parameters Coexistence Method

TLV

Type

TLV Parameter Description Value

53 SNMPv1v2c

Coexistence

Conguration

This object species the SNMPv1v2c Coexistence Access

Control conguration of the CM. This TLV creates entries in

SNMPv3 tables as specied in [DOCSIS OSSIv3.0]

Composite

53.1 SNMPv1v2c

Community Name

This sub-TLV species the Community Name (community

string) used in SNMP requests to the CM.

Text (e.g.

AlphaRead)

53.2 SNMPv1v2c Transport

Address Access

This sub-TLV species the Transport Address and Transport

Address Mask pair used by the CM to grant access to the

SNMP entity querying the CM.

Variable

53.2.1 SNMPv1v2c Transport

Address

Species the Transport Address to use in conjunction with the

Transport Address Mask used by the CM to grant access to

the SNMP entity querying the CM. Length is 6 bytes for IPv4

and 18 bytes for IPv6. Two additional bytes are added to the

IP address length for the port number.

Transport Address

(e.g. 0.0.0.0/0 or

0:0:0:0:0:0:0:0/0)

53.2.2 SNMPv1v2c Transport

Address Mask

Species the Transport Address Mask to use in conjunction

with the Transport Address used by the CM to grant access to

the SNMP entity querying the CM. Length is 6 bytes for IPv4

and 18 bytes for IPv6. Two additional bytes are added to the

IP address length for the port number.

Transport Address

(e.g. 0.0.0.0/0 or

0:0:0:0:0:0:0:0/0)

53.3 SNMPv1v2c Access

View Type

Species the type of access to grant to the community name

of this TLV. If not specied, default read-only is used.

1 = Read Only

2 = Read / Write

53.4 SNMPv1v2c Access

View Name

Species the name of the view that provides the access

indicated in sub-TLV SNMPv1v2c Access View Type.

String (e.g.

docsisManagerView)

20 018-354-B0-001, Rev. A (05/2018)

3.0 Network Conguration, Continued

3.3.3 Setting SNMP Trap Destination Addresses - docsDevNmAccess Method

Set the SNMP Trap Destination Addresses via the DOCSIS Conguration File by including the following SNMP

parameters.

Table 3-3, Trap Destination Addresses - docsDevNmAccess Method

Trap Destination Addresses IPv4 Method

MIB Parameter Object ID Description Value

docsDevNmAccessIP 1.3.6.1.2.1.69.1.2.1.2.x IP address of trap

destination, e.g. NMS server

e.g. 10.20.30.40

docsDevNmAccessIpMask 1.3.6.1.2.1.69.1.2.1.3.x Must be set to

255.255.255.255 per RFC

4639

255.255.255.255

docsDevNmAccessCommunity 1.3.6.1.2.1.69.1.2.1.4.x Community string used by

NMS to query transponder

alphanumeric string

docsDevNmAccessControl 1.3.6.1.2.1.69.1.2.1.5.x Level of SNMP access to

DM3.0 Series Transponder

from IP address specied in

docsDevNmAccessIpMask

4=Read/Only plus Trap

5=Read/Write plus Trap

6=Trap only, no SNMP access

docsDevNmAccessInterfaces 1.3.6.1.2.1.69.1.2.1.6.x Species the set of

interfaces from which

requests from this NMS will

be accepted

0x40 : Cable interface (typical)

0x80 : Ethernet interface

0xC0 or 0x00 : Both interfaces

docsDevNmAccessStatus 1.3.6.1.2.1.69.1.2.1.7.x Controls and reects the

status of rows in this table

Note: X denotes the index of the SNMP entry

If an SNMP monitoring system is not deployed to access the Gateway, please contact Alpha Technical Support to

disable communications watchdog routines.

NOTICE:

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Alpha AlphaGateway IoT Technical Manual

Alpha AlphaGateway IoT Technical Manual

Alpha AlphaGateway IoT Technical Manual

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