61180008L1-5B
Section 61180008L1-5, Issue 2
1
Total Access
®
1500 SCU
Installation and Maintenance
Section 61180008L1-5B
Issue 2, September 2002
CLEI Code L1: VAC1E40J_ _
CLEI Code L2: VAC1E4NJ_ _
CLEI Code L3: VAC1T4NJ_ _
CONTENTS
1.
GENERAL .......................................................... 1
2.
INSTALLATION ............................................... 2
3.
OPERATION...................................................... 3
4.
MAINTENANCE ............................................... 9
5.
PRODUCT SPECIFICATIONS ......................... 9
6.
WARRANTY AND CUSTOMER SERVICE . 10
FIGURES
Figure 1.
Total Access 1500 SCU ........................... 1
Figure 2.
System Controller Menu Tree .................. 7
TABLES
Table 1.
Compliance Codes ................................... 2
Table 2.
Front Panel Description ........................... 3
Table 3.
DCE Pin Assignments .............................. 3
Table 4.
X.25 Pin Assignments .............................. 4
Table 5.
Detailed SCU Specifications ................... 9
Figure 1. Total Access 1500 SCU
Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holders.
1. GENERAL
This practice provides installation and operation
procedures for an ADTRAN Total Access 1500
System Controller Unit (SCU), common modules List
1, List 2, and List 3.
Figure 1
shows the Total Access
1500 SCU, List 1, List 2, and List 3.
The SCU comes in the following three configurations:
• List 1 – No Mechanized Loop Test (MLT)
capability.
• List 2 – Central Office Terminal MLT
• List 3 – Remote Terminal MLT
Revision History
This is the second release of this document. This
version includes updates describing TL1 over X.25
and TCP/IP.
Features
The Total Access 1500 SCU, P/Ns 1180008L1,
1180008L2, and 1180008L3, includes the following
features:
• Control all common equipment and access
modules
• Mechanized Loop Test (MLT) capability (L2 and
L3 used together only)
• Provide VT100 craft interface via front panel
DB-9 connector
• Alarm Cut Off (ACO) pushbutton
• Bank status indicators
• Test equipment timing output
• Meet NEBS Level 3 and UL 1950 requirements
• Provides alarm status to NMA and/or SNMP
• Provides internal PAD for X.25 network
• Software can be upgraded while in field without
affecting service
• Operates in Host or Client mode for RS-485
chaining applications
• Supports TL1 over TCP/IP or X.25
• Supports menu access over Telnet
• L2 and L3 monitor primary and secondary power
feeds. L1 does not monitor power feeds.
General Description
The Total Access 1500 SCU is a common module,
plug-in unit designed for the Total Access 1500. The
SCU provides all control functions for the Total
Access 1500 common units and all the individual
access modules. The SCU manages all network
related functions and communicates externally
HST
MLT
BSY
MJR
T
E
S
T
A
D
M
I
N
MNR
RMT
ACO
1180008L3
SCU RT
HST
MLT
BSY
MJR
T
E
S
T
A
D
M
I
N
MNR
RMT
ACO
1180008L2
SCU COT
HST
PWR
MJR
T
E
S
T
A
D
M
I
N
MNR
RMT
ACO
1180008L1
SCU
List 1
List 2
List 3
