HPR 400 Transceiver Unit
14
130314 / F
•
On HPR systems equipped with the HL 3880 TR Tracking
Hull Unit, this line is used for communication with the HL
3880 TR Tracking Hull Unit modules, to control transducer
2.
•
On other HPR systems, this serial line is used to connect a
serial line gyro or Vertical Reference Unit.
The pins are allocated as follows:
1
422+ input
4
422- input
5
Ground
6
422- output
9
422+ output
The remaining pins are not used.
→
Refer to figure 2.
Serial 4
The “Serial 4” socket is a 9-pin delta connector. It is located on
the rear panel of the HPR 400 Transceiver Unit, and is identified
with the label “SERIAL 4”.
The serial line is used for synchronization.
The pins are allocated as follows:
1/4
Sync 1 in
7/8
Sync 2 in
9/6
Sync 1 out
3/2
Sync 2 out
5
Ground
→
Refer to figure 2.
Serial 5
Not in use.
Not in use.
