Axis Q1775 Installation Manual page 16

AXIS Q1775 Network Camera
1 Tip
Audio Input Balanced: 'Hot' signal
Microphone/Line in
Unbalanced: Microphone/Line
in
Audio Output
Line out (mono)
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
RS485/RS422 RX/TX
A
RS485/RS422 RX/TX
B
RS485/RS422 TX A
RS485/RS422 TX B
Pin Notes
1
(RX) For full duplex RS485/RS422
(RX/TX) For half duplex RS485
2
3
(TX) For full duplex RS485/RS422
4
2 Ring
Balanced: 'Cold' signal
Microphone/Line in
Unbalanced: Unused
RX/TX
1 2 3
16
3 Sleeve
Ground
Ground
TX
4