STC Smartscan NG2, Manual

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May 2021, SmartScanNG² User's Guide for Wayside Enclosure Components, EUD-2018086-00 Rev.3
INTERNAL RADIO CONNECTOR (System Interconnect board)
PIN # Name Description
1 CSO Channel Select low bit
2 CS1 Channel Select mid bit
3 CS2 Channel Select high bit
4 unused
5 CSN Channel 1 / 2
6 12V Out 11.5V @ 2.5A
7 AUD OUT Audio Output
8 unused
9 PGN IN/OUT Programming I/O
10 unused
11 unused
12 AUDIO IN Audio Input
13 DCD Carrier Detect
14 PTT Push-to-Talk
15 GND Ground
Audio Level Adjustment:
Adjust R34 of the 2300-110 SICM board as necessary to set the audio signal level to the
transmitter. Turn pot clockwise to increase the audio level.
R34
Audio Adjust