Avaya MCC1 Maintenance Procedures page 384

Additional maintenance procedures
Analog tie trunk back-to-back testing
Figure 115: Trunk Group form - E & M mode (Page 2 of 2)
GROUP MEMBER ASSIGNMENTS
10 Locate the tie trunk port terminal connections at the cross-connect field. Consult the appropriate
table below for either 110-type or 66-type hardware.
11 At the cross-connect field, disconnect outside trunk facilities from the tie trunk ports and mark the
disconnected wires for reconnecting the tie trunk ports to their normal configuration later. The D
impact tool (AT-8762) is required to perform this step.
12 Use jumper wires (DT 24M-Y/BL/R/G and DT 24P-W/BRN) and the D impact tool to connect
wiring between the two ports assigned in
ports on the analog Tie Trunk circuit pack are port 1 and 2, connect the wirings as shown below:
Port 1
(t1 stan)
(E&M)
T1
R1
T11
R11
E1
M1
13 Check all wirings to verify good connections between the two test ports.
384
TRUNK GROUP
Port Name
1: B1901
2: B1902
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
connected to
connected to
connected to
connected to
connected to
connected to
Mode Type
E & M t1 stan
E & M t1 comp
Step 9 at the cross-connect field. For example, if the two
Port 2
(t1 comp)
(E&M)
T12
R12
T2
R2
M2
E2
Page 2 of 5
Answer Delay
Maintenance Procedures
December 2003