Do you have the spec. document for each pin out of Motorola XTL2500 ? Thanks
The accessory connector on the XTL2500 does not look like the one in the pic above
but here is the XTL2500 Pinout.
XTL mobile rear connector:
1 Ground
2 Bus + part of SB9600 bus
3 Bus - part of SB9600 bus
4 DCE_TXD RS432 transmitt data
5 DCE_RXD RS432 receive data
6 USB- data
7 USB+ data
8 Reset part of SB9600 bus
9 Busy part of SB9600 bus
10 DCE_RTS RS432 request to send
11 DCE_CTS RS432 clear to send
12 USB PWR 5 volts aoolied by USB host
13 CHAN ACT channel activity
14 Ground
15 EMERGENCY must be connected to ground to disable
16 AUX_PTT
17 ONE WIRE used for smart accessory cables
18 VIP OUT 1
19 VIP OUT 2
20 SPKR+ (do not ground)
21 RX FLT AUDIO fixed RX audio (squelched) 100 mv per 1KHz deviation
22 MONITOR used to detect when mic is off hook
23 AUX MIC
24 SW B+
25 Ignition
26 SPKR- (do not ground)