1 7
Pair 1
Pair 2
Denotes twisted pair.
Denotes shield.
Channel Audio high / Power
Channel Audio low / Power
Shield*
DC Common
Shield*
TO POWER
SUPPLY CONNECTOR
Cable Type: 22AWG Stranded, 2-Pair Twisted-wire, with Shield
TO ADDITIONAL
SINGLE-CHANNEL STATIONS
OPTIONAL LOCAL
POWER SOURCE
12 to 15 VDC, 250 mA
+ DC
COMMON
*Shield: Earth ground (Connect at power supply only. Do not short to DC common)
PIN 1
Figure 8. Audiocom mode connections for a SS1000 Intercom Station in a “U” box.
Note: For Clear-Com connection, use the Unbalanced Mode Intercom Channel
pin-out information listed on page
25
.