Alpha AlphaGateway BSC Quick start guide

Brand: Alpha

Model: AlphaGateway BSC

Type: Quick start guide

1018-356-B1-001, Rev. B (10/2019)

AlphaGateway BSC Quick Start Guide

The AlphaGateway Broadband Small Cell (BSC) is a 320W AC voltage DOCSIS gateway capable of powering four outputs.

An optional Low Voltage Disconnect (LVD) switch is available to set 45/55Vac low cuto.

The unit is connected to the HFC Coaxial Access network through a directional coupler or splitter at any location within the

HFC voltage range (45–90Vac), transforming the HFC power to a voltage suitable for the connected devices.

Fig. 1, Connections and Ports

Fig. 2, Dimensioned Views

Ground Lug

IP67 Cable Gland (outputs)

AC Input

(45-90Vac Quasi Square HFC Coax

5/8x24 SCTE-91 compliant)

RJ-45 Ethernet CPE port

Power outputs (4)

(90VAC or 120VAC (model specic))

Optional Security Bolt Location (Alpha p/n

647-189-13)

16.5" (419.1mm)

8.9" (226.1mm)

4.9" (124.5mm)

ETH

WARNING

STINGER MUST BE TRIMMED PER THE

DIAGRAM TO PREVENT SHORTING OF

THE COMPONENTS AND DAMAGE TO THE

UNIT.

MAX. = 1.50 IN

MIN. = 1.32 IN

Pin Length

LNK

PWR

RST

This guide addresses the installation and conguration of the BSC models:

(Power only) AG300P-AC90, AG300P-AC120

(Power + DOCSIS 3.1) AG300D-AC90, AG300D-AC120.

Additional product specications are included at the end of this document.

2 018-356-B1-001, Rev. B (10/2019)

Pre-Installation

The unit has four dierent installation methods:

Strand Mount

Wall Mount

Pole Mount

Vault Mount (same installation method as strand mount)

Perform and verify:

Provision the DOCSIS Modem and RF MAC Address (including, but 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).

As appropriate, provision each connected device using the device’s MAC address.

The BSC can also be connected to the hard coax through a directional coupler.

Tools Required (User-Supplied):

• Torque Wrench with:

7/16" (11mm) Socket

1/2" (13mm) Socket

• Drill (for Wall Mount Installation)

• Signal Level Meter

• Each device will register as a distinct CPE device; these may need xed IP addresses depending upon the

model.

• Ensure that unused cable glands are covered with plugs. Remove only the cable gland plugs necessary for

installation.

NOTICE:

The grounding method for a particular site will be dependent upon soil type, available space, local codes, NESC

(National Electric Safety Code), NEC (National Electric Code), and other site-specic characteristics.

Alpha recommends less than 25 ohm ground resistance in the grounding system in accordance with NESC Section

9 and NEC Article 250, 820 Part IV.

Alpha Technologies assumes no responsibility or liability for failure of the installer to comply with the requirements

of applicable local and national codes. Where allowed, exothermic welding may be used as an alternative to Burndy

clamps and connectors.

NOTICE:

Alpha Grounding System Installation Procedure

Properly ground the AlphaGateway BSC by connecting a #6 AWG wire from the grounding lug on the body of the unit to

the strand ground in accordance with local electrical codes. Apply anti-oxidant compound (e.g., Noalox

or equivalent) to

the ground connection. Bond the grounding system to other grounded electrical equipment located within 20ft using #6

AWG bonding conductor.

System Grounding with Low Voltage Disconnect Switch in use:

For installations utilizing Alpha Technologies’ optional Low-Voltage Disconnect Switch (Alpha p/n 021-111-20), use a

#6AWG wire to connect the ground lug on the baseplate of the switch to a driven ground rod in accordance with local

electrical codes. Verify the ground resistance in the grounding system is less than 25 Ohms.

3 018-356-B1-001, Rev. B (10/2019)

Strand Mount Installation - Vertical Conguration

The unit must hang from the strand with the hinges facing down.

NOTICE:

GROUND LUG MOUNT

(SEE FIG. 4 FOR DETAIL)

Fig. 3, Strand Mounting Bracket Installation, Vertical Conguration

CARRIAGE BOLT

HEX HEAD NUT

LOCK WASHER

FLAT WASHER

CLAMP

HEX HEAD NUT

LOCK WASHER

FLAT WASHER

CLAMP

HEX HEAD NUT

LOCK WASHER

FLAT WASHER

[1]

[2]

[3]

[4]

Fig. 4, Ground Lug Detail

1. Take the two strand mount brackets [1] from the strand bracket installation kit (3" bracket kit, Alpha p/n 746-627-

23 or 2" bracket kit, Alpha p/n 746-627-24), remove the two plugs from the top of the enclosure, and secure the

mounting brackets in place. Verify the proper orientation as shown in the image. Use the hex head bolts, lock

washers, and at washers from the strand bracket installation kit to secure the strand brackets to the AlphaGateway

BSC, torquing to 44.3 – 53.1 in-lbs (5 – 6 Nm).

2. Hang both brackets on the strand through the clamps on the bracket as shown [2]. 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 Nm). Repeat for the second bracket.

3. An alternate installation method provides for the use of a 0" mount bracket set [3] (Alpha p/n 746-627-26) attached

to the mounting holes in the top of the gateway and torque to 44.3 – 53.1 in-lbs (5 – 6 Nm).

4. Properly ground the unit by connecting a #6 AWG wire (44.3 in-lb, 5 Nm) from the ground lug mount [4] to the

strand ground per local code. Apply anti-oxidant compound (e.g., Noalox

or equivalent) to the ground connection.

5. Proceed to the “Start-Up" and "Verication” sections.

[2]

[1]

HEX HEAD NUT

LOCK WASHER

FLAT WASHER

GROUND LUG

4 018-356-B1-001, Rev. B (10/2019)

1. Take the two strand mount brackets [1] from the strand bracket installation kit (Alpha p/n 746-627-23) and remove

the two plugs from the top of the enclosure, securing the mounting brackets to the AlphaGateway BSC in their

place. Position the strand mounting brackets around the strand and verify the proper orientation as shown. Use the

hex head bolts, lock washers, and at washers from the strand bracket installation kit to secure the strand brackets

to the chassis, torquing to 44.3 – 53.1 in-lbs (5 – 6 Nm).

2. Hang both brackets on the strand through the clamps on the bracket as shown [2]. 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 Nm). Repeat for the second bracket.

3. Properly ground the BSC by connecting a #6 AWG wire (44.3 in-lb, 5 Nm) from the ground lug mount [3] to the

strand ground per local code. Apply anti-oxidant compound (e.g., Noalox

or equivalent) to the ground connection.

4. Proceed to the “Start-Up” and “Verication” sections.

Strand Mount Installation - Horizontal Conguration

Fig. 5, Strand Mounting Bracket Installation, Horizontal Conguration

Fig. 6, Ground Lug Detail

CARRIAGE BOLT

HEX HEAD NUT

LOCK WASHER

FLAT WASHER

CLAMP

HEX HEAD NUT

LOCK WASHER

FLAT WASHER

CLAMP

HEX HEAD NUT

LOCK WASHER

FLAT WASHER

[2]

[1]

[2]

[3]

[2]

[1]

HEX HEAD NUT

LOCK WASHER

FLAT WASHER

GROUND LUG

5 018-356-B1-001, Rev. B (10/2019)

Wall Mount Installation

1. Align the bracket (Alpha p/n 746-645-20) into the desired installation position on the wall. Mark the four holes where

the 5/16" (M8) hex head screws will be drilled into the wall.

2. Drill four pilot holes into the wall using the wall mount bracket as a template. If mounting to drywall, a stud should

be located and used to secure any two of the hex head screws.

3. Using the four 1/4-20x1/2" bolts and at washers, mount the BSC to the wall mount bracket. Use the 7/16" (11 mm)

socket to torque each to a value between 44.3 – 53.1 in-lbs (5 – 6 Nm). The F-connector must be facing down with

the hinges on the enclosure facing left.

4. Mount the BSC and wall mount bracket on the wall by partially screwing in the top two 5/16" lag bolts without

washers and hang the unit by the bracket with the key-holes. Install the other two lag bolts with washers and tighten

all four.

5. Properly ground the BSC by connecting a #6 AWG wire from the ground lug mount to the strand ground per local

code. Apply anti-oxidant compound (e.g., Noalox

or equivalent) to the ground connection.

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

9.69" (246.2 mm)

10.64" (270.2 mm)

1/4-20x1/2"

hardware

Fig. 7, Gateway Wall Mount Bracket

Wall-mount

hardware

Wall-mount

hardware

1/4-20x1/2"

hardware

6 018-356-B1-001, Rev. B (10/2019)

Pole Mount Installation

1. Secure the pole mount bracket (part of Pole Mount Bracket set, Alpha p/n 746-861-20) to the pole using the metal

straps.

2. In the top two mounting bracket holes of the BSC, partially tighten two of the 1/4"-20 bolts, lock washers, and at

washers, leaving a few millimeters of space between the at washer and the enclosure.

3. Line up the BSC and place it so that the 1/4"-20 bolts rest on the top slots of the bracket. With the BSC in place,

secure it to the bracket by tightening the four 1/4"-20 bolts, lock washers, and at washers using the 7/16" (11 mm)

socket, torquing to a value between 44.3 – 53.1 in-lbs (5 – 6 Nm). The F-connector must be facing down with the

hinges on the enclosure facing left.

4. Properly ground the BSC by connecting a #6 AWG wire from the ground lug mount to the strand ground per local

code. Apply anti-oxidant compound (e.g., Noalox

or equivalent) to the ground connection.

5. Proceed to the “Start-Up" and "Verication” sections.

Note the orientation of the bracket. The unit must be installed on the bracket as shown:

NOTICE:

Fig. 8, Pole Mount Installation Conguration

Straps for Pole Mount

congurations

Bolt

Lock Washer

Flat Washer

7 018-356-B1-001, Rev. B (10/2019)

Connection and Start-Up

Fig. 10, Connection Diagram

Low impedance grounding is mandatory for personnel safety and critical for the proper operation of the cable

system.

WARNING! ELECTRICAL HAZARD

HFC Hardline Coax (45-90Vac Quasi Square Wave + DOCSIS RF)

Directional Coupler / Splitter

Ethernet Port

Input Power (also RF signal for data backhaul)

Strand-mounted BSC

AC Outputs (up to 4)

Prior to connection, the technician must verify the coax cable being connected to the BSC is not energized.

WARNING! ELECTRICAL HAZARD

8 018-356-B1-001, Rev. B (10/2019)

1. Prior to applying power, ensure the unit is properly grounded as described in the Alpha Grounding System

Installation Procedure on page 2.

2. Use the 1/2" (13 mm) socket to loosen the M8 enclosure bolts and open the BSC.

3. Trim the stinger pin per the label on the inside of the BSC (1.32" minimum, 1.50" maximum as measured from the

surface of the threaded fitting).

4. Loosen the retaining screw (see Fig. 11, item 3) and rotate the cover to access the seizure screw. (Do not

remove the cover during this step.)

5. Loosen the seizure screw.

6. Install the connector by hand (to avoid cross-threading) and torque to 44 in-lbs (5.0 Nm).

7. Torque the Pin Seizure screw to 12 in-lbs (1.3 Nm).

8. Rotate the seizure screw access cover back to the original location and tighten the retaining screw to 15 in-lbs

(see Fig. 11, item 3).

9. Connect up to four devices as needed via the output ports as per the procedure in "Installing a Power Output

Cable."

Start-Up

If replacing the coaxial input connection, rst loosen the pin seizure screw and remove the connector and the coax

from the 5/8x24 HFC port.

NOTICE:

Depending on the installation location of the equipment, suitability of the 120Vac output will be up to the discretion

of the Authority Having Jurisdiction (AHJ).

ATTENTION:

Installing the Ethernet Cable

The Ethernet cable can be installed before or after start-up.

NOTICE:

1. Remove and disassemble the corresponding cable gland. See Fig. 13.

2. Route the Ethernet cable through the cable gland and into the BSC.

3. Plug the Ethernet cable into the Ethernet Cable Connection (ETH) port. See Fig. 11.

4. Install the sealing insert and tighten the cable gland to 44 in-lbs (5 Nm).

To protect the installer from working on a live unit, connect the coax cable to the BSC rst. DO NOT

connect the coax cable to the directional coupler or splitter at this time.

CAUTION!

9 018-356-B1-001, Rev. B (10/2019)

ETH

WARNING

STINGER MUST BE TRIMMED PER THE

DIAGRAM TO PREVENT SHORTING OF

THE COMPONENTS AND DAMAGE TO THE

UNIT.

MAX. = 1.50 IN

MIN. = 1.32 IN

Pin Length

LNK

PWR

RST

1. Once the LEDs on the DOCSIS modem are solid green (DS, US, and OL) remove the appropriate cable gland

plugs to access the Power and Ethernet ports from outside the enclosure.

2. Verify that the cable gland for any unused Power and/or Ethernet port remains plugged to ensure a weather-tight

enclosure.

Verication of Ethernet Status

Fig. 11, Operational Connectors and Indicators

Fig. 12, Detail of Operational Connectors and Indicators

ETHERNET CABLE PORT

PLANT COAX

CONNECTION

(INPUT POWER)

Ethernet Cable Connection

Advisory Labeling, Pin Length

Pin Seizure Screw (under RF shield)

Labeling for LED Indicators

Output Cable Glands (4 max.)

Once the BSC is powered up, the power outputs will activate and the cable modem (CM) boot process will begin.

Pre-provisioning phase (unit is not yet provisioned by the CMTS):

• The CM can be accessed through Ethernet port via 192.168.100.1 (ping, SNMP, HTTP)

Post-provisioning phase (the modem boot process/CMTS provisioning is complete):

• The CM can be accessed through Ethernet port via 192.168.100.1 (ping, HTTP)

• The CM can be accessed through Ethernet port via CM IP address (ping, SNMP, HTTP)

ETH

MAX. = 1.50 IN

MIN. = 1.32 IN

Pin Length

LNK

PWR

ETHERNET CABLE

CONNECTOR

STATUS LEDS

TRIM LENGTH

INSTRUCTIONS

WARNING

STINGER MUST BE TRIMMED PER THE

DIAGRAM TO PREVENT SHORTING OF

THE COMPONENTS AND DAMAGE TO THE

UNIT.

10 018-356-B1-001, Rev. B (10/2019)

Installing the Output Power Cable

1. Remove and disassemble the corresponding cable

gland. See Fig. 13 below.

2. Route the output cable through the cable gland and

into the BSC.

3. Remove the connector from the connector receptacle.

4. Connect the Ground, Neutral and Line leads to the

connector. Use Output 1 for most critical loads. Note:

In over-current situations, the outputs will begin

shedding starting with Output 4.

5. Fasten the leads to the screw terminals in the base of

the plug. Use a standard tip screwdriver

(3 mm, ~1/8" in width).

6. Torque to 4.4 – 5.3 in-lb (0.5 – 0.6 Nm).

7. Plug the connector back into the receptacle and

reassemble the cable gland per illustration below.

8. Install the sealing insert and nut for each power port

as shown in the illustration below. Verify all pieces

of the assembly are present and used in the correct

sequence to prevent ingress of water into the BSC.

9. Connect the other end of the non-energized coax to

the directional coupler/splitter. Note: If the DC/splitter

port is energized, then the BSC will power up at

this time.

10. Verify the Output Indicator LED is illuminated,

signifying power is present (applies to all four

models of the AlphaGateway BSC). The LEDs

(DS, US, OL) will blink while the modem comes

online. They will become solid once the modem is

successfully provisioned. (Applies to AG300D only).

11. Close the lid and hand tighten the six M8 enclosure

bolts. With the bolts rmly in place, use the 1/2" (13

mm) socket to torque each between 44.3 – 53.1 in-lbs

(5 – 6 Nm) following the order of the numbers on the

enclosure.

Fig. 13, Cable Gland Assembly

Completed Cable Gland Assembly

Sealing Insert

Clamping Claw

Sealing Nut

Underside of connector

showing screw terminals

NEUTRAL

LINE

GROUND

OUTPUT 1

OUTPUT 2

OUTPUT 3

OUTPUT 4

NEUTRAL

LINE

GROUND

RECEPTACLE

OUTPUT

INDICATOR LED

CONNECTOR

Cable connects

to output

Alpha Technologies Services, Inc.

an EnerSys company

Alpha reserves the right to change specications without notice.

Alpha is a registered trademark of Alpha Technologies Services, Inc.

For more information visit www.alpha.com

018-356-B1-001, Rev. B (10/2019)

A seventh bolt is available as an optional Alpha security bolt (Alpha p/n 647-189-13).

Torque the security bolt to 35 in-lbs (4 Nm). For cable gland replacements, contact tech support at 1-800-863-3364.

NOTICE:

The Ethernet (ETH) LED will remain o until a device is connected via an Ethernet cable and it establishes a

communications link. The LED will icker depending on the amount of trac (slow ickering = slight trac / fast

ickering = substantial trac). If there is no trac, the LED will stay solid green.

NOTICE:

Failure to properly install the sealing insert and nut could result in water intrusion into the enclosure.

CAUTION!

Normally, the body of the cable gland connected to the enclosure stays installed. However, if it gets removed,

apply silicone-based O-ring grease (Dow Corning

55 O-Ring, or equivalent) to the gasket surface that faces the

enclosure, and reinstall, torquing to 70 in-lbs (8 Nm).

NOTICE:

Fig. 14, Torque Values for Cable Glands

Base

Factory set at

70 in-lbs (8 Nm)

Sealing Nut

44 in-lbs (5 Nm)

Alpha AlphaGateway BSC Quick start guide

Alpha AlphaGateway BSC Quick start guide

Alpha AlphaGateway BSC Quick start guide

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