3 – Installation & Wiring
ACS-160 Series & STL-160 Series T1 Multiplexer Installation & Operation
Version 2.11, August 2011
Harris Corporation
3-13
Intraplex Products
3.6.2.1 Configure Integrated CSU
The integrated CSU is pre-configured at the factory and normally does not need additional options set.
Section 4.2.2 –
Display and Change Items in Basic Configuration Group
gives information on setting
different options.
3.6.2.2 Configure Line Build Out
When using the ACS-160 Series multiplexer’s integrated CSU, you must configure the line build out
(LBO) according to the specifications from your T1 service provider. Configure the CM-5RB module
using the Configuration Group as this section describes. The factory default is DSX.
1.
On the CM-5RB module, press down repeatedly on the GROUP switch until the display reads TSEL.
2.
Press down repeatedly on the SET/NEXT switch until the display reads TLBO.
Notice that TLBO is underscored. This indicates an additional subgroup.
3.
Press up once on the SET/NEXT switch to display DSX, which is the first of eight TLBO options
(DSX, 200', 333', 467', 595', 7dB, 15dB, and exit). The actual settings (Table 3-8) differ from the
displayed settings.
Table 3-8. Actual CSU Line Build-Out Settings
Display
Actual Setting
DSX
0dB (0 to 133 ft)
7db
-7.5dB
15db
-15dB
4.
Press down repeatedly on the SET/NEXT switch until the display reads the line build out specified
by your T1 provider.
5.
Press up twice on the SET/NEXT switch. After the first press, the green (top) light blinks,
indicating that a change is about to be made. After the second press, it turns on continuously,
indicating that your selection for the line build out is active.
3.6.2.3 Wire ACS-160 Series Multiplexer with Integrated CSU to T1
On a drop and insert multiplexer, wire the T1 circuits intended for DI-A and DI-B to the MA-215
behind the CM-5RB modules designated as DI-A (physical slot 1) and DI-B (physical slot 2)
respectively.
On an ACS-166 multiplexer, the CM-5RB modules for the two independent terminals are located in
physical slots 1 and 10. On an ACS-169, the CM-5 modules are located in physical slots 3 and 4. The
T1 circuit can be wired to the T1 I/O connector (DB-15) on the MA-217B or the T1 I/O connector (RJ-
48C) in the MA-215, MA-235-1, and MA-235-2 module adapters. Table 3-9 lists the pin assignments
for the T1 I/O (RJ-48C) connector for these module adapters.
Table 3-9. T1 I/O Connector Pin Assignments on MA-215, MA-235-1, and MA-235-2
Connector
Pin
Description
1
Receive from network, ring
2
Receive from network, tip
3
Not used
4
Send towards network, ring
5
Send towards network, tip
6
Not used
7
Frame ground (transmit)
8
Frame ground (receive)
Содержание Intraplex STL-160 Series
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