XTL Radio
Page covering the XTL 1500/2500/5000 Radios
These are P25 trunking radios which are mono-band.
Accessory Connector
J2 is the accessory connector
Here's a picture of it from the radio side
Table of Pins
Sourcing of connector
As of now, there is no other source for the connector than Motorola.
The body looks like 2 D-Sub connectors stacked with standard pitch spacing on the pins.
Aftermarket Pins will not work due to the low profile retaining ring. This thread on the Batlabs Batboard has some more info and this picture showing the differences below:
Photos of connector
I disassembled and took some close up pictures with my scope. The connector looks a bit similar to most D-SUB connectors.