• 3 protocol, fiber optical port and ethernet port
• RS485 communication protocol
• Bidirectional circle redundancy network
• Power interrupt protection function
• Network management, SNMP/VLAN and traffic control function
• Self-diagnosis and error indication function

1）Power supply：

Working voltage:DC12V

(intrinsically safe power supply)

Working current: ≤lA

2）Gigabit optical signal interface：

Number of interfaces: 3 (2 optical modules as standard)

Transmission mode:1310nm single mode optical fiber transmission

Connection:LC

Transmission rate:1000Mbps

Optical transmission power:>10dBm

Light reception sensitivity:-36dBm

Maximum transmission distance:10km

3）100 Gigabit optical signal interface

Number of interfaces: 4

Transmission mode: 1310nm single-mode optical fiber transmission

Connection mode: SC

Transmission rate:100Mbps

Optical transmission power: ≥-10dBm

Maximum transmission distance:20km

4）Ethernet electrical signal interface Number of interfaces:

4/5 (1 shared withRS485 interface)

Transmission mode: full-duplex TCP/IF protocol

Transmission rate:10/100Mbps adaptive

Signal working voltage peak-to-peak:1V~5V

Transmission distance: 100km

5）RS485 signal interface

Number of interfaces: 1

Transmission mode: half-duplex,bipolar

Transfer rate:2400bps (configurable)

Signal working voltage peak-to-peak:5V~15V

Signal operating current peak-to-peak:≤100mA

Maximum transmission distance: 10km Intrinsically safe parameters

6）Intrinsic safety parameters: Ui=12.9V:Ii=1.25A;Ci=14.4uF:Li=4.7uHEx mark: Exib IMb

Light reception sensitivity: -36dBm