Telex TR-300 - Manual (Page 16)

Table 3
Pin Wiring for Rear Panel Jacks
Figure 8
Internal Intercom Switches
-14-
Internal Auxiliary Audio Out Auxiliary Audio Input Intercom Loop Thru
Switch (both jacks)
Settings Pin 1 Pin 2 Pin 3 Pin1 Pin 2 Pin 3 Pin 1 Pin 2 Pin 3
Telex Audio
Com Ground 600 ohm 600 ohm Ground 2.2K ohm 2.2K ohm Ground Balanced Balanced
Balanced Balanced Balanced Balanced
RTS 2 wire Ground 600 ohm 600 ohm Ground 2.2K ohm 2.2K ohm Ground Channel Channel
Balanced Balanced Balanced Balanced 1 2
Clearcom Ground 600 ohm 600 ohm Ground 2.2K ohm 2.2K ohm Ground Power Audio
Balanced Balanced Balanced Balanced
4 wire Ground Balanced Balanced Ground Balanced Balanced Do Not Do Not Do Not
Intercom Intercom Intercom Intercom Use Use Use
Out Out In In
FRONT
DIP SWITCH
ON 12
3
4
5
6
78
9
INTERCOM
4
W
I
R
E
2
W
I
R
E
CA101
LOW
HIGH