Headset 2 J12 (Rj45); Table 6-6. Headset 1; Table 6-7. Headset 2; Headset 1 J11 (Rj45) - Motorola APX 7500 Detailed Service Manual

6-6
Pin
22 INT_SPKR_ACTIVITY*
23 EXT_SPKR_ACTIVITY*
24 MONITOR*
25 CHAN_ACT_RELAY_OUT
6.6.6

HEADSET 1 J11 (RJ45)

Pin
1 N/C
2 HDST1_SENSE*
3 HDST1_SPKR-
4 HDST1_MIC-
5 HDST1_MIC+
6 HDST1_PTT*
7 HDST1_SPKR+
8 GND
6.6.7

HEADSET 2 J12 (RJ45)

Pin
1 N/C
2 HDST2_SENSE*
3 HDST2_SPKR-
4 HDST2_MIC-
5 HDST2_MIC+
September 9, 2011
Cabling Diagrams and Rear Panel: Rear Panel Connector Pin Descriptions
Signal Name
Active low logic output to indicate when there is
valid audio on the internally housed Consolette
speaker.
Active low logic output to indicate when there is
valid audio on the external secondary speaker.
Active low logic input to allow monitoring of
channel traffic on conventional channels by
defeating the coded squelch.
Output of solid state relay to indicate when the
RX_AUDIO path is being driven. Relay is
closed upon verification of a qualified signal
being presented by the receiver. May still be
active even if speakers mutes. (ex. Headset
audio)

Table 6-6. Headset 1

Signal Name
Not Used
Active low logic input to indicate Headset 1
attached
Speaker low output for use with Headset 1.
Tied to ground.
Mic low connection for use with Headset 1.
Tied to ground.
Mic high connection for use with Headset 1.
Active low logic input for Headset 1 PTT
Speaker high output for use with Headset 1.
Ground

Table 6-7. Headset 2

Signal Name
Not Used
Active low logic input to indicate Headset 2
attached
Speaker low output for use with Headset 2.
Tied to ground.
Mic low connection for use with Headset 2.
Tied to ground.
Mic high connection for use with Headset 2.
Description
Description
Description
68009482001