Alcatel-Lucent MDR-8000 User Manual page 25

DS3 LINE 1-3
TO/FROM
DS3 LBO
DS3 LINE 1-3
FROM
CONTROLLER
UNI XMT
I/Q
ASIC
UNI RCV
I/Q
ASIC
LOOPBACK ENABLE
Figure 6-13 DS3 System Loopback
ENFEC
DEFEC
I/Q
DS3 I/O INTFC
TO
I/Q
XMTR
I/O
LOOPBACK
(ALL DS3s)
I/Q FROM
RCVR
SW SWITCH
LOOPBACK I/O
CONTROL
ENABLED
LMW-5056
07/05/04
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