User Manual

2-3

Part No. 001-2100-101

PIN 11: _Squelch_Disable/RSSI Out

User programmable to:

Squelch Disable - When the Squelch Disable box is unchecked, the receive audio is squelched. Grounding

Pin 11 will un-squelch the receive audio

RSSI Analog Out - RSSI DC output voltage level

PIN 12: RX Audio Out (AUDIO_OUT) Audio Output 212 mVrms +

18 mV into a 2000 ohm load.

PIN 13: Carrier Detect (DCD) Carrier Detect (TTL). Indicates receiver is locked on channel and receiving a

signal. Can be active high or low, set with software.

PIN 14: Push To Talk (PTT_RTS)(TTL) Keys the transmitter. Can be active high or low, set with software. Internal

10k ohm pullup.

Pin 15: Ground

Figure 2-2 JSLM

Accessory Interconnect Power Cable

5 BLU/BLK

3 BLU/WHT

2 RED/WHT

1 WHT/BLK Dot

9 GRN/BLK

10 ORN/BLK

11 RED/BLK

12 ORANGE

13 BLK/WHT Dot

14 WHITE

6 RED

15 BLACK

4 GRN/WHT

7 GREEN

8 BLUE