Axis Q7401 User Manual page 62

AXIS Q7401 Video Encoder
Technical Specifications
Power Connector
2-pin terminal block for power input.
Use a Safety Extra Low Voltage (SELV)
compliant limited power source (LPS)
with either a rated output power
limited to ≤100 W or a rated output
current limited to ≤5 A.
Audio Connector
3.5 mm audio connectors
(stereo)
1 Tip
2 Ring
3 Sleeve
RS-485/422 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
SD Card Slot
Supports microSD cards with up to 64 GB of storage. For best recording performance, use a microSDHC or microSDXC card with
speed class 10.
DC power input
Audio Input
Microphone/Line in
Ground
Pin Notes
1
(RX) For full duplex RS485/RS422
(RX/TX) For half duplex RS485
2
3
(TX) For full duplex RS485/RS422
4
Audio Output
Line out (mono)
Ground
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