1 8
A u d i o c o m ®
Pair
Pair
Pair
Denotes twisted pair.
Denotes shield.
Channel 1 Audio low / Power
Shield*
DC Common
Shield*
TO POWER
SUPPLY CONNECTOR
TO ADDITIONAL
SINGLE- OR TWO-CHANNEL STATIONS
Cable Type: 22AWG Stranded, 3-Pair Twisted-wire, with Shield
Channel 2 Audio low / Power
Channel 2 Audio high / Power
+ DC
COMMON
Channel 1 Audio high / Power
*Shield: Earth ground (Connect at power supply only. Do not short to DC common)
OPTIONAL LOCAL
POWER SOURCE
12 to 15 VDC, 250 mA
Use PN: 59702-000
PIN 1
Figure 9. Audiocom mode connections for a SS2000 Intercom Station in a “U” box.
Note: For Clear-Com connection, use the Unbalanced Mode Intercom Channel
pin-out information listed on page
25
.
Resistors 150 Ohm, 1/4W
Capacitors 22 f, 35V
Non-polarized Electrolytic
µ
Channel audio low
Channel audio high
Common
Figure 10. Audiocom mode line termination for dry-line operation. (One required for
each channel.) The termination is available via PN: 9020-7550-000.