10
RS-422 signal: T+, T-, GND, R+, R-
Parity bit: None, Even, Odd, Space, Mark
Data bit; 5bit,6bit,7bit,8bit
Stop bit: 1bit,1.5bit,2bit
Band rate: 300bps
～
115200bps
RS-232 Transfer distance: no more than 15m
RS-232 connector: RJ45
RS-485 transfer distance: 1200m
RS-485 connector: 4 bits terminal block
Protection: class 3 static, RS-485/422 side, 1.5KV isolation
LED Indicators
Working statue indicator: RUN
Power (PWR)
Ethernet port connection statue (Link)
Serial port transmit data indicator: TX1~TX4
Serial port receive data indicator: RX1~RX4
Power requirements
Input voltage: 5VDC±5%
IT-SDS-304-T-4D -4D
（
RS-232
）
：
No-load consumption: 0.945W@5VDC
Full-load consumption: 1.095W@5VDC
IT-SDS-304-T-4D -4DI
（
RS-485
）：
No-load consumption: 1.34W@5VDC
Full-load consumption: 1.57W@5VDC
Mechanical
Shell: IP30 protection, metal shell
Installation: Wall mounting
IT-SDS-304-T-4D -4D
（
RS-232
）
weight: 0.46kg
IT-SDS-304-T-4D -4D
（
RS-232
）
weight: 0.45kg
Size (L×W×H): 160mm×95.5mm×28mm
Environment limits
Working temperature: -40
~85
℃
Storage temperature: -40~85
℃
Relative humidity: 5%~95%
（
non-condensing
）
Standards
EMI: EN 55022 Class A, FCC Part 15 Subpart B Class A
EMS: EN 55024,
EN 61000-4-2 (ESD) Level 3,
EN 61000-4-3 (RS) Level 3,
