ADTRAN Total Access 1500 System Manual

ADTRAN
Brand
ADTRAN
Model
Total Access 1500
Type
System Manual
Total Access
TM
1500 System Manual61180001L1-1A
Total Access
TM
1500 System Manual
Manual Part Number - 61180001L1-1A
CD Part Number - 3253036@A
61180001L1-1ATotal Access
TM
1500 System Manual
Trademarks
Any brand names and product names included in this manual are
trademarks, registered trademarks, or trade names of their respective
holders.
To the Holder of this manual
The contents of this manual are current as of the date of publication.
ADTRAN reserves the right to change the contents without prior notice.
In no event will ADTRAN be liable for any special, incidental or
consequential damages or commercial losses even if ADTRAN has been
advised thereof as a result of issue of this publication.
901 Explorer Boulevard
P.O. Box 140000
Huntsville, AL 35814-4000
(256) 963-8000
©2001 ADTRAN, Inc.
All Rights Reserved.
Printed in U.S.A.
Total Access
TM
1500 System Manual61180001L1-1A
About this Manual
This manual provides a complete description of the system and
system software. The purpose of this manual is to provide the
technician, system administrator, and manager with general and
specific information related to the planning, installation, operation,
and maintenance of Total Access 1500. The manual is arranged so
that needed information can be quickly and easily found. The
following is an overview of the contents:
System Description
Provides users with an overview of the Total Access 1500 system.
Engineering Guidelines
Provides information to assist network designers incorporating a Total
Access 1500 system into their networks.
Application Guidelines
Provides information on specific Total Access 1500 wiring and
applications.
Certification
Total Access 1500 is compliant with all NEBS Level 3 requirements
and is listed to UL1950 3rd edition.
Federal Communications Commission Statement
This equipment generates, uses, and can radiate radio frequency
energy. If not installed and used in accordance with the instruction
manual, this equipment may cause interference to radio
communications. Total Access 1500 has been tested and found to
comply with limits for a Class A digital device pursuant to Subpart B
of Part 15 of FCC Rules, which are designed to provide reasonable
protection against such interference when operated in a commercial
environment.
This equipment does not exceed Class A limits for radio emission for
digital apparatus, set out in the Radio Interference Regulation of the
Canadian Department of Communications.
61180001L1-1ATotal Access
TM
1500 System Manual
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 1 of 32
Total Access
TM
1500 System Manual
2001, ADTRAN, Inc.
Total Access
TM
1500 System Description
This section of ADTRAN’s Total Access 1500 System Manual is designed for use by
network engineers, planners, and designers who are upgrading or intensifying a
communications network. It contains general information and describes physical and
operational concepts, card functions, network relationship, provisioning, testing, alarm
status, and system monitoring.
Contents
1.1 System Overview ................................................................................................................... 3
1.1.1 General Overview .............................................................................................................................. 3
1.1.2 Features and Benefits ....................................................................................................................... 4
1.2 System Components ............................................................................................................. 5
1.2.1 TA 1500 Shelf .................................................................................................................................... 5
1.2.2 Heat Baffle ......................................................................................................................................... 6
1.3 System Connectivity .............................................................................................................. 7
1.3.1 System and Power Ground ............................................................................................................... 7
1.3.2 Timing ................................................................................................................................................ 7
1.3.3 Network Interfaces ............................................................................................................................. 7
1.3.4 Loop Interface .................................................................................................................................... 7
1.3.5 Test Access ...................................................................................................................................... 10
1.3.6 Management Interface ..................................................................................................................... 10
1.3.7 Alarms.............................................................................................................................................. 10
1.4 Common Modules ................................................................................................................ 11
1.4.1 System Controller Unit ..................................................................................................................... 11
1.4.1.1 SCU Options ......................................................................................................................... 11
1.4.2 Line Interface Unit ........................................................................................................................... 12
1.4.3 PSU/RGU ........................................................................................................................................ 13
1.5 Access Modules ................................................................................................................... 15
1.5.1 FXS/DPO ......................................................................................................................................... 16
1.5.2 FXO/DPT ......................................................................................................................................... 17
1.5.3 E&M/TO ........................................................................................................................................... 19
1.5.4 Quad POTS (RT) ............................................................................................................................. 21
1.5.5 U-BR1TE ......................................................................................................................................... 22
1.5.6 OCU DP ........................................................................................................................................... 24
1.5.7 DS0 DP ............................................................................................................................................ 25
1.5.8 Dual FXS/DPO/PLAR ...................................................................................................................... 26
1.5.9 Dual FXS/DPT ................................................................................................................................. 27
1.5.10 Dual OCU DP ................................................................................................................................... 29
1.5.11 Dual DS0 DP .................................................................................................................................... 30
1.6 Bay Configurations .............................................................................................................. 31
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 2 of 32
2001, ADTRAN, Inc. Total Access
TM
1500 System Manual
Figures
Figure 1. Total Access 1500 ........................................................................................................5
Figure 2. TA 1500 Solutions ........................................................................................................ 6
Figure 3. TA 1500 Backplane ..................................................................................................8, 9
Figure 4. SCU ........................................................................................................................... 11
Figure 5. LIU .............................................................................................................................12
Figure 6. PSU ........................................................................................................................... 13
Figure 7. FXS/DP0 ....................................................................................................................16
Figure 8. FXO/DPT ...................................................................................................................17
Figure 9. E&M / TO ................................................................................................................... 19
Figure 10. Quad R-POTS ...........................................................................................................21
Figure 11. U-BR1TE ................................................................................................................... 22
Figure 12. OCU-DP..................................................................................................................... 24
Figure 13. DS0 DP ......................................................................................................................25
Figure 14. Dual FXS/DPO/PLAR ................................................................................................26
Figure 15. Dual FXS/DPT ........................................................................................................... 27
Figure 16. Dual OCU DP ............................................................................................................29
Figure 17. Dual DS0 DP .............................................................................................................30
Figure 18. Bay Configuration ......................................................................................................31
Tables
Table 1. Access Module Practices and Job Aids .......................................................................... 15
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 3 of 32
Total Access
TM
1500 System Manual
2001, ADTRAN, Inc.
1.1 System Overview
1.1.1 General Overview
The Total Access
TM
1500 (TA 1500) is a Carrier Class, Multi-service Access Platform
for deploying narrowband and xDSL services from TDM or ATM backbone
infrastructures. A small, extremely versatile platform, TA 1500 integrates the
functionality of many carrier products into a single high-density chassis. TA 1500’s
small footprint (2U-high mounting) makes it the perfect choice for integrated
communications providers such as ILECs, CLECs, and ISPs, who need to deploy
services from crowded Remote Terminals (RTs), Central Offices (COs), or Co-
Location (COLO) facilities.
TA 1500 provides a variety of services including POTS, special services (ISDN, DDS,
FXO, FXS, E&M, DPO, DPT, and PLAR), and xDSL. TA 1500 complements
ADTRAN’s Total Access 3000 broadband multi-service access platform, which can
terminate and distribute higher bandwidth services such as SONET, DS3, HDSL,
HDSL2, T1, Optical DS2, and xDSL. TA 1500 can be deployed as a:
• Small Digital Loop Carrier (DLC), for simple and effective deployment of
POTS (up to 96 lines in a 2U mounting).
• Special Services delivery platform, with up to five times the density of any
competing D4 platform.
• Mini-DSLAM, serving up to 24 xDSL customers (POTS and data) using an
ATM network interface.
TA 1500 is a modular device, with five common slots and 24 access slots. Common
units required for operation are a Power Supply Unit (PSU), Line Interface Unit (LIU),
and System Controller Unit (SCU). A second, redundant PSU and LIU may be
deployed for added reliability. The PSU is available with an integrated Ring
Generator providing up to 20 REN ringing capacity. The LIU can support up to four
T1 interfaces and has full Time Slot Assignment (TSA) capability. This feature allows
users to “steer” varied amounts of bandwidth from the network to any of the access
slots, ensuring that no bandwidth is stranded. Future LIUs will provide HDSL2, fiber,
and ATM interfaces. The 24 access slots accept a variety of voice and data access
modules, allowing users to optimize their service for each application.
Using local or remote inband management, service providers can provision and
monitor the bank’s network interface and access modules. Transaction Language 1
(TL1) is used to communicate with Telcordia’s NMA
TM
Operations System
(OSS) using an internal X.25 PAD. An Ethernet 10BASE-T connector is used
for connection to SNMP networks. ADTRAN’s Total Access EMS
TM
software, run on an Openview workstation, provides a graphical user interface
(GUI).
Total Access
TM
1500 System Description
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 4 of 32
2001, ADTRAN, Inc. Total Access
TM
1500 System Manual
TA 1500 is designed for 23-inch relay racks. Full compliance with NEBS
Level 3 and UL 1950 ensures maximum reliability and safety.
1.1.2 Features and Benefits
• POTS, specials, and xDSL
• Access to TDM and ATM Networks.
• Up to 96 two-wire interfaces.
• Extremely small (2U) mounting for crowded COs or RTs.
• Fully redundant common units
• TR-08 signaling and is fully compatible with SLC
“
-96 COT/RT.
• Up to five times as dense as a D4 channel bank when used for specials.
• A TL1 interface to NMA over X.25
• SNMP management
• Mechanized Loop Testing (MLT)
• NEBS Level 3 and UL 1950
• Industry-leading 10-year warranty
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 5 of 32
Total Access
TM
1500 System Manual
2001, ADTRAN, Inc.
1.2 System Components
Total Access 1500 is composed of five main elements:
• Total Access 1500 Shelf and Backplane
• System Controller Unit
• Power Supply Unit
• Line Interface Unit
• Access Modules
1.2.1 TA 1500 Shelf
The system houses the management, network interface, and access modules. The
compact shelf includes all the features necessary for total system functioning including
provisioning, protection, monitoring, alarm status, and testing. The single
multifunction backplane provides for a variety of system arrangements.
ADTRAN’s Total Access 1500 shelf is compliant with all applicable NEBS Level 3
requirements and listed to UL 1950 3rd edition.
All modules are inserted and removed from the front of the shelf. The two far left
slots are designated for the Power Supply Units (PSU). The next slot is designated for
the System Controller Unit (SCU). The next two slots are designated for the Line
Interface Units (LIU). The remaining 24 slots are reserved for access modules. Slot
openings are labeled for easy identification (see Figure 1.)
The 3.5-inch high, 12-inch deep, 23-inch wide shelf is constructed of heavy gauge
metal with vent perforations on the top and bottom planes. Reversible mounting
brackets allow for flush mount or 5-inch overhang configurations. Mounting brackets
meet both 1-inch and 1 3/4-inch mounting hole pattern.
1500
PSU-A PSU-APSU-B SCU 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 17 18 19 20 21 22 23 24LIU-B
SCU
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Figure 1. Total Access 1500
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 6 of 32
2001, ADTRAN, Inc. Total Access
TM
1500 System Manual
Total Access 1500 is the foundation for an intelligent, versatile voice and digital
services system. It is the basic building block for both metallic and optical
transmission service between the customer and the service provider’s facility. Figure 2
shows the Total Access 1500 with management, network, loop devices, and interfaces.
1.2.2 Heat Baffle
An optional heat baffle mounts directly above the main shelf. It allows passage of hot
air to convect heat away from the shelf above the baffle.
Figure 2. TA 1500 Solutions
Built-in
PAD
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61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 7 of 32
Total Access
TM
1500 System Manual
2001, ADTRAN, Inc.
1.3 System Connectivity
The TA 1500 fits in the standard 23-inch rack. The multifunction single backplane is
the key element in system versatility. It contains all I/O connectors, control and signal
routing, power input and ground, plus the interconnections between access modules
and the common cards. There are also facilities for plug-in modules and wire-wrap
pins for special purposes.
Refer to Figure 3, Total Access 1500 Backplane, to identify the locations of the
following:
1.3.1 System and Power Ground
1. Power Connections (TB1)
The system is designed to accommodate redundant power configurations.
Dual Terminals for -48V, return, and frame ground are provided. The system
will operate with each individual supply or both supplies functioning.
2. Ring Generator (TB2)
The system operates with either an internal or external ring generator. For external
ring generator applications, TB2 provides connections for ringing voltage, ringing
return, and frame ground.
1.3.2 Timing
1. Composite Clock (P14)
For applications requiring external timing sources, a composite clock interface is
available. SW1 allows the user to designate which bank is terminating composite
clock.
1.3.3 Network Interfaces
1. T1 Connections (P7, P8, P9, P10, P11)
Four T1s plus a protect T1 are available. A frame ground connection is provided
for each T1.
1.3.4 Loop Interface
1. Loop Access (P1, P2, P3, P4)
Loop side access is achieved via 50-pin amphenol connectors.
2. PGTC Connector (P5)
The Pair Gain Test Controller (PGTC) connector provides a 28-wire interface to
the Central Office PGTC. The Central Office PGTC permits customer loops
served by loop carrier systems to be tested from a maintenance center using
Mechanized Loop Testing (MLT).
1.3.5 Test Access
1. Loop Test Access (P6)
Four wire-wrap connections provide a metallic loop test bypass pair.
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 8 of 32
2001, ADTRAN, Inc. Total Access
TM
1500 System Manual
Figure 3. TA 1500 Backplane (Left)
21
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N
O
N
EN
RS485
DIS
SW2
TERM
CLK IN
CLK
17
1
+ – + – + –
CLK OUT LOCCK ACO
A B
RMT
A B
AUX1
A B
AUX2
P14
VMJ
17
1
NO COM NC
VMN
NO COM NC
AMJ
NO COM NC
AMN
NO COM NC
AUX
NO COM NC
-48
ALM
P13
A B
RS485
P12
25
50
26
1
25
50
26
1
J33
21
J24
30
40
1
10
20
21
J23
30
40
1
10
20
21
J22
30
40
1
10
20
21
J21
30
40
1
10
20
21
A B
J20
30
40
1
10
20
21
J19
30
40
1
10
20
21
J18
30
40
1
10
20
21
J17
30
40
1
10
20
21
J16
30
40
1
10
20
21
J15
30
40
1
10
20
21
J14
30
40
1
10
20
21
J13
30
40
1
10
20
21
J12
30
40
1
10
20
21
J11
30
40
1
10
20
21
J10
30
40
1
10
20
21
J9
30
40
1
10
20
21
J8
30
40
1
10
20
21
J7
30
40
1
10
20
21
J6
30
40
1
10
20
21
J5
J34
MGMT
30
40
1
10
20
21
J4
30
40
1
10
20
21
J3
30
40
1
10
20
21
J2
30
40
1
10
20
21
J1
30
40
1
10
20
21
J32
30
40
1
10
20
21
J30
30
40
1
1
10
20
J27 IN
RTN
IN
RTN
30
40
10
20
J26
30
40
10
20
21
J25
30
40
1
10
20
T / RP1
25
50
26
1
T1 / R1P2 E / SGP3 M / SBPAI R 1 PAI R 2 PAIR 3 PAI R 4P4
PGTC
P5
E
D
C
B
A
1
10
20
E
D
C
B
10
20
24
24
R1
C2
C1
E
D
C
B
A
10
20
E
D
C
B
A
IN OUT
SW1
O
N
O
N
EN
RS485
DIS
SW2
TERM
CLK IN
CLK
17
1
+ – + – + –
CLK OUT LOCCK ACO
A B
RMT
A B
AUX1
A B
AUX2
P14
VMJ
17
1
NO COM NC
VMN
NO COM NC
AMJ
NO COM NC
AMN
NO COM NC
AUX
NO COM NC
-48
ALM
P13
A
T R T1 R1
1
1 P11 5 1 P10 5 1 P9 5 1 P8 5 1 P7 5
J31
J29
J28
BYPASS
B
T R T1 R1
C
T R T1 R1
D
T R T1 R1
P
T R T1 R1
A B
RS485
P12
T R I
P6
D2
D1
5
TB
3 TB2
SMAS
MLT
-48 SEC -48 SEC
25
50
26
1
25
50
26
1
25
50
26
1
25
50
26
1
I
N
R
T
N
RN1
RN2
P1
P14 P13 P12
P2 P3
J34
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 9 of 32
Total Access
TM
1500 System Manual
2001, ADTRAN, Inc.
Figure 3. TA 1500 Backplane Continued (Right)
J33
1
10
20
21
J11
30
40
1
10
20
21
J10
30
40
1
10
20
21
J9
30
40
1
10
20
21
J8
30
40
1
10
20
21
J7
30
40
1
10
20
21
J6
30
40
1
10
20
21
J5
J34
MGMT
30
40
1
10
20
21
J4
30
40
1
10
20
21
J3
30
40
1
10
20
21
J2
30
40
1
10
20
21
J1
30
40
1
10
20
21
J32
30
40
1
10
20
21
J30
30
40
1
1
10
20
J27 IN
RTN
IN
RTN
30
40
10
20
J26
30
40
10
20
21
J25
30
40
1
10
20
E / SGP3 M / SBPAIR 3 PAIR 4P4
PGTC
P5
E
D
C
B
A
1
10
20
E
D
C
B
10
20
24
24
E
D
C
B
A
10
20
E
D
C
B
A
O
N
EN
RS485
DIS
SW2
A
T R T1 R1
1
1 P11 5 1 P10 5 1 P9 5 1 P8 5 1 P7 5
J31
J29
J28
BYPASS
B
T R T1 R1
C
T R T1 R1
D
T R T1 R1
P
T R T1 R1
A B
RS485
P12
T R I
P6
D2
D1
5
TB
3 TB2
SMAS
MLT
-48 SEC -48 SEC
25
50
26
1
25
50
26
1
25
50
26
1
I
N
R
T
N
RN1
RN2
J33
21
J24
30
40
1
10
20
21
J23
30
40
1
10
20
21
J22
30
40
1
10
20
21
J21
30
40
1
10
20
21
A B
J20
30
40
1
10
20
21
J19
30
40
1
10
20
21
J18
30
40
1
10
20
21
J17
30
40
1
10
20
21
J16
30
40
1
10
20
21
J15
30
40
1
10
20
21
J14
30
40
1
10
20
21
J13
30
40
1
10
20
21
J12
30
40
1
10
20
21
J11
30
40
1
10
20
21
J10
30
40
1
10
20
21
J9
30
40
1
10
20
21
J8
30
40
1
10
20
21
J7
30
40
1
10
20
21
J6
30
40
1
10
20
21
J5
J34
MGMT
30
40
1
10
20
21
J4
30
40
1
10
20
21
J3
30
40
1
10
20
21
J2
30
40
1
10
20
21
J1
30
40
1
10
20
21
J32
30
40
1
10
20
21
J30
30
40
1
1
10
20
J27 IN
RTN
IN
RTN
30
40
10
20
J26
30
40
10
20
21
J25
30
40
1
10
20
T / RP1
25
50
26
1
T1 / R1P2 E / SGP3 M / SBPAIR 1 PAIR 2 PAIR 3 PAIR 4P4
PGTC
P5
E
D
C
B
A
1
10
20
E
D
C
B
10
20
24
24
R1
C2
C1
E
D
C
B
A
10
20
E
D
C
B
A
IN OUT
SW1
O
N
O
N
EN
RS485
DIS
SW2
TERM
CLK IN
CLK
17
1
+ – + – + –
CLK OUT LOCCK ACO
A B
RMT
A B
AUX1
A B
AUX2
P14
VMJ
17
1
NO COM NC
VMN
NO COM NC
AMJ
NO COM NC
AMN
NO COM NC
AUX
NO COM NC
-48
ALM
P13
A
T R T1 R1
1
1P1151P1051P951P851P75
J31
J29
J28
BYPASS
B
T R T1 R1
C
T R T1 R1
D
T R T1 R1
P
T R T1 R1
A B
RS485
P12
T R I
P6
D2
D1
5
TB
3 TB2
SMAS
MLT
-48 SEC -48 SEC
25
50
26
1
25
50
26
1
25
50
26
1
25
50
26
1
I
N
R
T
N
RN1
RN2
P3 P4
P5
TB1
TB2
P15
P16
P17
J34
P12
J33
P6
P7P8P9P10P11
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 10 of 32
2001, ADTRAN, Inc. Total Access
TM
1500 System Manual
1.3.6 Management Interfaces
1. SCU Management Port (J34)
DB-25 female connector allows port access for an X.25 connection.
2. RJ-45 for 10 Base-T (J33)
RJ-45 jack provides for SNMP and IP/LAN communication over 10Base-T.
3. RS-485 (P12)A set of wire-wrap pins provides a bus for intershelf
management. Up to 15 additional devices can be daisy chained to the first shelf at
a total distance of 4000 feet.
4. SMAS or MLT (P15, P16, P17)
Jumpers allow loop testing through MLT or SMAS. The default setting is MLT.
1.3.7 Alarms
1. Alarm Outputs (P13)
The shelf provides for six alarm outputs:
• Major Visual
• Major Audible
• Minor Visual
• Minor Audible
• -48ALM
• AUX
Each alarm, except -48ALM, can be individually wired for normally open or
normally closed configuration. -48ALM is normally an open circuit and
applies -48 V when the PSUs fuse opens.
2. Alarm Input (P14)
The shelf contains four external alarm inputs: Alarm Cutoff, Remote, AUX1, and
AUX 2. All alarms are -48 V active or relay closure.
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 11 of 32
Total Access
TM
1500 System Manual
2001, ADTRAN, Inc.
1.4 Common Modules
1.4.1 System Controller Unit
The System Controller Unit (SCU) serves as the user interface into the system. (See
Figure 4.) The operator provisions and monitors other modules in the system, either
locally or remotely, via the SCU.
1.4.1.1 SCU Options
The SCU provisions the Access modules in the shelf via the faceplate
DB-9 connector and a VT100 terminal. Up to 16 systems can be daisy-
chained together via the RS-485 interface (P12).
The SCU incorporates these features:
• Daisy-chained system communication link
• Automatically recognizes all access module
technologies
• Major, and minor alarm hierarchy
• Multiple provisioning capability for all access and
management modules
• Hot Swappable
• Ethernet interfaces via a RJ-45 port.
• Mechanized Loop Test (MLT) capability.
The faceplate also includes status LEDs for local module status, monitoring, and
provisioning.
SCU
1180008L2
HST
MLT
BSY
MJR
T
I
M
I
N
G
C
R
A
F
T
MNR
RMT
ACO
Figure 4. SCU
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 12 of 32
2001, ADTRAN, Inc. Total Access
TM
1500 System Manual
1.4.2 Line Interface Unit
The LIU is a common card plug-in for the ADTRAN TA 1500 channel bank. (See
Figure 5.) It connects the channel bank to a T1 line at the DSX-1 or DS1 level. All
data formatting and line encoding as well as backplane timing and control are
performed by the TA 1500 LIU.
The LIU incorporates these features:
• Four T1s + protect
• SF, ESF, or SLC-96 (TR-08) framing formats
• AMI or B8ZS line code formats
• Local and remote loopbacks
• Front panel Bantam jacks for monitoring T1s
• Front panel indicators showing the status of the unit
• Local, loop, or external timing modes
The faceplate includes status LEDs and a status pushbutton for local module status,
monitoring, and provisioning.
Figure 5. LIU
LIU
1180109L1
A
C
P
YEL
REM
MASTER
B
D
RED
RCV
TEST
STATUS
TX
MONITOR
RX
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 13 of 32
Total Access
TM
1500 System Manual
2001, ADTRAN, Inc.
1.4.3 PSU/RGU
The PSU/RGU is a common module plug-in unit designed for use in the ADTRAN TA
1500 channel bank. (See Figure 6.) The PSU/RGU receives -48 Vdc from an external
source to provide all necessary voltages required by the other common modules and
access channel units. Through switchmode operation the PSU converts the incoming -
48 Vdc to regulated +5 Vdc, +3.3 Vdc and unregulated -7.5 Vdc, -26 Vdc, and -
48 Vdc for distribution to other modules. Two versions of the PSU/RGU are
available. The 1180007L2 allows the system to operate utilizing an external ring
generator. The 1180007L1 contains circuitry within the PSU that generates 105 Vrms
nominal, 20 Hz ring voltage for distribution to the channel bank’s voice cards.
Removing the 20 Hz, 5-amp GMT faceplate fuse disables ring voltage. Two PSU/
RGUs may be installed to provide fully redundant operation.
The PSU incorporates these features:
• Receives unregulated power input.
• Generates 20 Hz ring voltage (List 1 only).
• Faceplate mounted input power fuse
• Faceplate mounted ring voltage disconnect
• Faceplate status LEDs
• Provision free plug-and-play
The faceplate also includes LEDs for local module status.
Figure 6. PSU
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 14 of 32
2001, ADTRAN, Inc. Total Access
TM
1500 System Manual
This page intentionally left blank.
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 15 of 32
Total Access
TM
1500 System Manual
2001, ADTRAN, Inc.
1.5 Access Modules
Total Access 1500 incorporates a complete array of local loop access technologies into
an integrated intelligent system. Most access modules occupy one slot in the Total
Access shelf.
The access technologies and devices supported by Total Access 1500 are listed in
Table 1. Refer to individual Practices and Job Aids for detailed information on
installation, testing, operation, maintenance, and troubleshooting.
Table 1. Access Module Practices and Job Aids
Access Module Device Job Aid Practice
FXS/DPO 61180403L1-22 61180403L1-5
FXO/DPT 61180404L1-22 61180404L1-5
E&M/TO 61180402L1-22 61180402L1-5
Quad POTS (RT) 61180408L1-22 61180408L1-5
UB-R1TE 61180020L1-22 61180020L1-5
OCU DP 61180005L1-22 61180005L1-5
DS0 DP 61180003L1-22 61180003L1-5
Dual FXS/DPO 61180208L2-22 61180208L2-5
Dual FXO/DPT 61180207L2-22 61180207L2-5
Dual OCU DP 61180205L2-22 61180205L2-5
Dual DS0 DP 61180203L2-22 61180203L2-5
61180001L1-1A
TOTAL ACCESS
TM
1500
System Description
Page 16 of 32
2001, ADTRAN, Inc. Total Access
TM
1500 System Manual
1.5.1 FXS/DPO
The Total Access 1500 Foreign Exchange Service/ Dial Pulse Originate (FXS/DPO)
unit is used for analog voice extension and DID circuits. (See Figure 7.) Additionally,
it offers private line automatic ringdown (PLAR) functionality.
The FXS/DPO is designed specifically for the ADTRAN Total Access 1500 chassis
and is not used in any other product. The unit is multifunctional and can be
provisioned to operate in any one of the following modes:
• 2-Wire Foreign Exchange Station (FXS)
• Dial Pulse Originate (DPO)
• Tandem Mode
• Private Line Automatic Ringdown (PLAR)
The FXS/DPO module incorporates these features:
• Individual analog voice interface
• µ-law encoding and decoding
• Ground start, loop start, and TR-08 signaling.
• Long loop capability – 1250 ohms (nominal) including telephone set
(16 kft @ 24 AWG).
• Hot Swappable
• Supports V.90 Modem rates.
Figure 7. FXS / DP0
BUSY
REM
AP
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ADTRAN Total Access 1500 System Manual

ADTRAN
Brand
ADTRAN
Model
Total Access 1500
Type
System Manual
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