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1152700 • Issue 1 • February 2001 • Section 2 Operations and Maintenance
Page 2-307
© 2000, ADC Telecommunications, Inc.
DLP-772
Page 3 of 4
Table 772-1. Loopback Screen Options
PARAMETER OPTIONS DEFINITION
Port 1 for the 155,622, or 2488 RIC
1 or 2 for 155 CRS
1 to 3 for T3 CRS
1 to 16 for T1 or E1 Multi 1
1 DS3 port on a T3 TMUX
1 to 28 for T1 Ports between
the T3 TMUX and TMUX
EXP cards.
Selects the port that will have the loopback
activated on it.
Loopback Test
(155)
None
Facility
Terminal
No loopback activated on this card.
Sends cells back to the cellbus and back out to
the ring. No changes are made to the path layer
data.
Loops the incoming signal back to the CPE and
generates AIS to the cellbus.
Local
Loopback
(T3, T1, E1)
None
Facility
Terminal
Payload
No loopback activated on this card.
Sends cells back to the cellbus and back out to
the ring. No changes are made to the path layer
data.
Loops the incoming signal back to the CPE and
generates AIS to the cellbus.
Loops the signal back to the CPE AFTER
framing is performed and before being converted
to ATM cells.
Far End
Loopback (T3,
T1, E1)
Send No Code
Send Line Code
Send Reset Code