Specifications

Loop Connections 5-1
Chapter 5
Troubleshooting &
Diagnostics
This chapter includes a description of the Optimux-XLT1 loop connections and
troubleshooting procedures.
5.1 Loop Connections
Optimux-XLT1 supports loop connections necessary for isolating a failure to a
particular component of the transmission system. The loop connections are set
using a management tool connected to one of the management ports at the rear of
the unit.
The available Optimux-XLT1 loop connections are shown in Figure 5-1 and the
diagnostic loops in Table 5-1.
Optical Link
T13
MUX/
LINK
TX/RX
(MAIN)
ETH
4xE1
2xE1
ETH
I/F-A
ETH
I/F-B
4xT1
I/F-C
2xT1
I/F-D
LINK
TX/RX
(BACKUP)
T13
MUX/
ETH
(FIXED)
LINK
TX/RX
(MAIN)
ETH
4xT1
2xT1
ETH
I/F-A
ETH
I/F-B
4xT1
I/F-C
2xT1
I/F-D
LINK
TX/RX
(BACKUP)
OPTIMUX-XLT1-FAR END
Unit B
OPTIMUX-XLT1-NEAR END
T1 Local Loop
T1 Remote Loop
AIS
AIS
ETH
Fiber Optic Local Loop
DEMUX
DEMUX
AIS
Terminal
Unit A
Figure 5-1. Optimux-XLT1 Loops
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