Axis Communications P13-E Serie Guia De Instalacion página 17

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RS485/422 Connector
Two 2-pin terminal blocks for RS485/RS422 serial
interface. 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 recommended maximum cable length is 30 m (98.4 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
17
AXIS P13-E Series
RX/TX TX
1 2 3 4