Axis P1364 User Manual page 76

AXIS P1364 Network Camera
Technical Specifications
Audio Input
Audio Output
Audio input
Audio output
Built-in microphone
specification
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).
1 Tip
Microphone/Line in
Line out (mono)
3.5 mm jack for mic/line in, max 80 mVpp for microphone/max 6.2 Vpp for line signal
Impedance: Min 1 kΩ, Mic-Power activated; Min 4 kΩ line
Tip: Signal/Bias
Ring: Bias
Sleeve: Ground
Power to external electret microphone: 1.3 V – 2.6 V (DC)
SNR: > 70dB
3.5 mm jack for line out. min 1.8 Vpp
SNR: > 70dB
Output impedance: Max 100 Ω, normal <1 Ω
Sensitivity: -36 dB ±2 dB (0 dB = 1 V/Pa, 1 kHz)
Max input (SPL): 100 dB
Plugging the audio input jack disables the internal microphone.
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
2 Ring
76
3 Sleeve
Ground
Ground