User manual

Wide Bank 28 DS3 - Release 2.4 35
Loopbacks
2. Far-End Loopbacks
The following commands connect or disconnect far-end loopbacks by sending code patterns to the far-end
network element.
NOTE: DS3 far-end loopbacks require the DS3 facility to be configured for C-bit framing.
CONN-LPBK-T3:tid:aid:ctag::lpsig;
CONN-LPBK-T1:tid:aid:ctag::lpsig;
CONN-LPBK-E1:tid:aid:ctag::lpsig;
DISC-LPBK-T3:tid:aid:ctag;
DISC-LPBK-T1:tid:aid:ctag;
DISC-LPBK-E1:tid:aid:ctag;
Example Command
Activate a line loopback at far-end of DS3 CONN-LPBK-T3:tid:ALL:ctag::A-C;
Release a line loopback at far-end of DS3 CONN-LPBK-T3:tid:ALL:ctag::R-C;
Disconnect loopback at the far-end of DS3 DISC-LPBK-T3:tid:ALL:ctag;
Send loopup request on network side of DS1 #1 CONN-LPBK-T1:tid:DS1-1:ctag::A-2;
Disconnect loopback on DS1 #1 DISC-LPBK-T1:tid:DS1-1:ctag;
Facility AID LPSIG (Looping Signal)
T3 ALL A-C – Activate a line loopback at the far-end network
element
R-C – Release a line loopback at the far-end network
element
T1 DS1-1 to DS1-28, or ALL A-1 – Send CSU loopup request on line side
R-1 – Send CSU loopdown request on line side
A-2 – Send NIU loopup request on network side
R-2 – Send NIU loopdown request on network side
A-3 – Send NIU loopup request on line side
R-3 – Send NIU loopdown request on line side
E1 E1-01 to E1-27, or ALL
(see T3-E1 Configuration
AIDs on page 8)
A-1 – Send CSU loopup request on line side
R-1 – Send CSU loopdown request on line side
A-2 – Send NIU loopup request on network side
R-2 – Send NIU loopdown request on network side
A-3 – Send NIU loopup request on line side
R-3 – Send NIU loopdown request on line side