Axis P13 Series User Manual page 22

AXIS P13 Network Camera Series
Specifications
RS485/RS422 connector
Two 2-pin terminal blocks for RS485/RS422 serial interface used to control auxiliary equipment such as pan-tilt devices.
The serial port can be configured to support:
• Two-wire RS485 half duplex
• Four-wire RS485 full duplex
• Two-wire RS422 simplex
• Four-wire RS422 full duplex point to point communication
Function
RS485B alt RS485/422 RX(B)
RS485A alt RS485/422 RX(A)
RS485/RS422 TX(B)
RS485/RS422 TX(A)
Important
The maximum cable length is 30 m (98 ft).
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
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