LTPH-TP-1044-01, Issue 1
Testing
HXU-358 V1.04
April 6, 2001
43
Figure 29.
System Loopbacks in Wideband 3190 Applications
Loopback cannot be performed in the In-Service state.
HLU
HRU
HDU
n
HXU-358
DSX-1
HDSL
HDSL
DS1
Customer
Bridge
jack
MON
jack
Line
jack
Line
jack
Cl
jack
DS3
TLB3
RFL
Network
RTL
FLB1
CREM
NREM
CDU
n
FLB3
TLB1
NLOC
CLOC
NDU
n
x
x
x
x
x
x
M13
M13
Wideband 3190