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Communication Manager Maintenance-Object Repair Procedures
1068 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
Figure 51: DS1 Facility Connections
Figure 52: Typical CSU Maintenance Capabilities
DS1CONV
B
CPE CPE
CSU
A
CSU
BA
D
S1CONV
Network/DS1 Facility
Network Interface at CSU
Network Interface at Cross Connect Field
T
R
T1
R1
T
R
T1
R1
CPE
Network/DS1 Facility
Cross
Connect
Field
D
S1CONV
R1
T1
R
T
CSU
CPE Loopback
Switch
Self Test
Switch
Signal In
Signal In
DS1 Facility Side
CSU
CPE Side
LOS LED
DS1 Facility
Side LOS
LED
Signal Out
Signal Ou
t
CPE Side