Avaya S8700 Maintenance Manual page 1397

DS1-FAC (DS1 Facility)
DS1CONV
A
DS1CONV
Figure 8-25. DS1 Facility Connections
Signal In
Signal Out
Figure 8-26. Typical CSU Maintenance Capabilities
555-233-143
Network Interface at CSU
T
R
CSU
A
T1
R1
Network/DS1 Facility
CPE
Network Interface at Cross Connect Field
T
R
CSU
T1
R1
CPE
CSU
CPE Side
CPE Side
LOS LED
CPE Loopback
Switch
Self Test
Switch
T
R
CSU
B
T1
R1
Cross
Connect
Field
Network/DS1 Facility
DS1 Facility Side
DS1 Facility
Side LOS
LED
Issue 1 May 2002
DS1CONV
B
CPE
Signal Out
Signal In
8-675