Motorola APX 7500, Подробное руководство по обслуживанию

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September 9, 2011 68009482001
6-6 Cabling Diagrams and Rear Panel: Rear Panel Connector Pin Descriptions
6.6.6 HEADSET 1 J11 (RJ45)
Table 6-6. Headset 1
6.6.7 HEADSET 2 J12 (RJ45)
Table 6-7. Headset 2
22 INT_SPKR_ACTIVITY* Active low logic output to indicate when there is
valid audio on the internally housed Consolette
speaker.
23 EXT_SPKR_ACTIVITY* Active low logic output to indicate when there is
valid audio on the external secondary speaker.
24 MONITOR* Active low logic input to allow monitoring of
channel traffic on conventional channels by
defeating the coded squelch.
25 CHAN_ACT_RELAY_OUT 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)
Pin Signal Name Description
1 N/C Not Used
2 HDST1_SENSE* Active low logic input to indicate Headset 1
attached
3 HDST1_SPKR- Speaker low output for use with Headset 1.
Tied to ground.
4 HDST1_MIC- Mic low connection for use with Headset 1.
Tied to ground.
5 HD Mic high connection for use with Headset 1.
6 HDST1_PTT* Active low logic input for Headset 1 PTT
7 HDS Speaker high output for use with Headset 1.
8 GND Ground
Pin Signal Name Description
1 N/C Not Used
2 HDST2_SENSE* Active low logic input to indicate Headset 2
attached
3 HDST2_SPKR- Speaker low output for use with Headset 2.
Tied to ground.
4 HDST2_MIC- Mic low connection for use with Headset 2.
Tied to ground.
5 HD Mic high connection for use with Headset 2.
Pin Signal Name Description