Oc3 Remote Loopback; Figure 4-5: Oc3 Remote Loopback Test - Harris Constellation Installation & Maintenance

4-6

OC3 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
You need to access the hidden Control submenu to conduct the OC3 loopback
test.
From the Keypad, select
CONTROL > hidden menu (F1 + F3 or Ctrl B) > OC3 RMT LPBK

Figure 4-5: OC3 remote loopback test

Test set
Constellation™
Local Terminal
STM1/
STS3
HLM-155
or
OC3
Wayside
Remote Terminal
Figure 4-5.
Transmitter
Assembly
Hi Cap
Modem
Receiver
Assembly
Receiver
Assembly
ACU
Transmitter
Assembly
Loopback Testing
ACU
HLM-155
Hi Cap
Modem
November 2003
STM1/
STS3
or
OC3
Wayside