Constellation™ 2002 June 20
5-8
3DS3 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 5-5
.
You need to access the hidden Control submenu to conduct the DS3 loopback
test for each channel.
From the Keypad, select
CONTROL > hidden menu (F1 + F3 or Ctrl B) > DS3-x REM LPBK
Figure 5-7: 3DS3 remote loopback test
Hi Cap
Modem
ACU
Tra n s mi t t er
Assembly
ACU
Receiver
Assembly
Local Terminal
Remote Terminal
Hi Cap
Modem
Tran s mi tte r
Assembly
Receiver
Assembly
HLM-3xDS3
DS3-1
Wayside
DS3-2
DS3-3
Customer
test set
Wayside
HLM-3xDS3
DS3-1
DS3-2
DS3-3
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