AT&T 555-230-894 User Manual
Install and Wire Telephones and Other Equipment
9-8
Issue 1 September 1995
Figure Notes:
Figure 9-5.
Analog Tie Trunk Wiring Example (TN760)
In Figure 9-5, the following abbreviations apply:
T,R
Private Branch
Exchange (PBX) voice
transmit
Exchange (PBX) voice
transmit
T1,R1
Private Branch
Exchange (PBX) voice
receive
Exchange (PBX) voice
receive
M
Private Branch
Exchange (PBX) signal
send
Exchange (PBX) signal
send
E
Private Branch
Exchange (PBX) signal
receive
Exchange (PBX) signal
receive
T2
R2
T12
R12
E2
M2
T1
R1
T11
R11
E1
M1
29
4
30
5
31
6
26
1
27
2
28
3
3
3
4
4
1
2
1. External Trunk or Adapter
2. TN760, Position 1C05
3. Pin Number
4. Port 2 Name