Avaya CMC1, Maintenance Procedures

Page: 388 / 426

Additional maintenance procedures
TN760E tie trunk option settings
388 Maintenance Procedures
December 2003
7 Repeat Steps 13 through 16 of the E&M mode test procedure on page 382.
TN760E tie trunk option settings
S8100 only
The TN760E Tie Trunk circuit pack interfaces between 4 tie trunks and the TDM bus. Two tip and ring
pairs form a 4-wire analog transmission line. An E and M pair are DC signaling leads used for call setup.
The E-lead receives signals from the tie trunk and the M-lead transmits signals to the tie trunk.
To choose the preferred signaling format ( Table 91, Signaling Formats for TN760E, on page 388 and
Table 92, Signaling type summary, on page 388), set the switches on the TN760E and administer the port
using Figure 117, TN760E tie trunk circuit pack (component side) (R758183), on page 389 and Table 93,
TN760E option switch settings and administration, on page 389.
Port 1
(type 5)
(simplex) Port 2
(type 5)
(simplex)
T1 connected to T12
R1 connected to R12
T11 connected to T2
R11 connected to R2
Table 91: Signaling Formats for TN760E
Mode Type
E & M Type I Standard (unprotected)
E & M Type I Compatible (unprotected)
Protected Type I Compatible, Type I Standard
Simplex Type V
E & M Type V
E & M Type V Revised
Table 92: Signaling type summary
Transmit (M-Lead) Receive (E-Lead)
Signaling type On-hook Off-hook On-hook Off-hook
Type I Standard ground battery open
1
/battery ground
(1 of 2)