Orbit Network Card Specification
Electrical
Power Consumption
120 mA max.(no Orbit Modules connected)
RS485 serial
two wire differential
Dual channel
9 way sub D (sockets fitted to PC card)
Network terminator
120R (between 2 and 3) of 9 way D-type
Parallel connected 9 way D-type connectors male and female are pin to pin connected on the network.
9 way D-type pin/socket designations
1
Not used
6
+5V
2
RS485 (A)
7
+5V
3
RS485 (B)
8
+5V
4
0V
9
0V
5
0V
6.0: Orbit Network Card Specification
6.0:
Orbit Network Card Specification
16
Part No. 502566 Issue 4
