Harris Constellation - DS1 Tributary Remote Loopback; Figure 4-3: DS1 Tributary Remote Loopback Test

Constellation™ November 2003
4-4 Loopback Testing
DS1 Tributary Remote Loopback
Customer test equipment is required for this test. This test loops back the signal
from the far end to the near end. See
Figure 4-3 .
From the Keypad, select
CONTROL >TRIB REMOTE LPBK
Figure 4-3: DS1 tributary remote loopback test
Transmitter
Assembly
HLM
Modem
ACU
Receiver
Assembly
Transmitter
Assembly
HLM
Modem
ACU
Receiver
Assembly
Local Terminal
Remote Terminal
Signal loopback at DS1
level
M12
Unit
Te st set
M12
Unit