Telex Audiocom WM1000 User Instructions page 16

Aud iocom ®
TO ADDITIONAL
SINGLE- OR TWO-CHANNEL STATIONS
Shield*
PIN 1
Figure 7. Audiocom mode connections for a WM2000 Intercom Station
Channel audio low
Channel audio high
Common
Figure 8. Audiocom mode line termination for dry-line operation. (One required for
each channel.)
1 6
TO POWER
SUPPLY CONNECTOR
Pair
Pair
Pair
Cable Type: 22AWG Stranded, 3-Pair Twisted-wire, with Shield
Denotes twisted pair.
Denotes shield.
*Shield: Earth ground (Connect at power supply only.
Do not short to DC common)
Resistors 300 Ohm, 1/4W
Capacitors 22 f, 35V
Non-polarized Electrolytic
Channel 2 Audio low / Power
Channel 2 Audio high / Power
Channel 1 Audio low / Power
Channel 1 Audio high / Power
DC Common
Shield*
OPTIONAL LOCAL
POWER SOURCE
12 to 15 VDC, 65 to 150 mA
+ DC
COMMON
µ