Verilink AS100 (896-502379-001) Product Manual - Manual (Page 54)

4-2 Access System Centum Series User Manual
CSU Loop
When the CSU Loop is ON, the front panel LP LED will illuminate and
local testing can be performed by external DTE equipment or by Centum
Series’s internal BERT (see CSU Loop with BER , on pa ge4-5).
Diagnostics
_NI/DSX-1 Port
iag. Menu,
/DOWN to
display:
NI/DSX-1 Diag.
CSU Loop..:_Off/On
SELECT
peatedly to
display:
1.536 Mbps 1.544 Mbps
CSU Loop OFF
(Normal Data)
1.536 Mbps 1.544 Mbps
CSU Loop ON
Payload Network
Interface
Payload Networ
Interface