TANDBERG 8000 MXP User Manual page 292

PRI Pinout
Pin-6 GND
Pin-5 GND
Pin-4 RXD (in)
Pin-3 TXD (out)
Pin-2 Presence (+12V in
daisy chain)
Pin-1 GND
Multiple Camera support:
The figure below is an example of how multiple cameras should be connected:
Appendices
279