Axis Q1659 Installation Manual page 16

AXIS Q1659 Network Camera
Function
RS485B alt
RS485/422 RX(B)
RS485A alt
RS485/422 RX(A)
RS485/RS422 TX(B)
RS485/RS422 TX(A)
Important
The recommended maximum cable length is 30 m (98.4 ft).
Connection Diagrams
I/O Connector
1
0 V DC (-)
2
DC output 12 V, max 50 mA
A
I/O configured as input
B
I/O configured as output
Pin Notes
1
RX pair for all modes (combined RX/TX for 2-wire RS485)
2
3
TX pair for RS422 and 4-wire RS485
4
16