• 4/8/12/16 T1/E1, 4*V.35(N*64kbps), or a combination Ethernet Interface
• Four 10/100Base-Tx Ethernet Ports with VLAN features

• Two-wire analog transmission

• Transmission and power redundancy

• Hot swappable design

• LCM & Keypad local operation. Craft interface,Telnet and GUI/SNMP network management functions

• Only 1.0U in height

• ITU-T G.703, G.823, G.824, IEEE802.3u 10 Base-T & 802.3u 100 Base-Tx about Ethernet Interface, CE, RoHS

• Operating Temperature 0°C~65°C
• Relative Humidity : 5 to 95%, non-condensing

• AC/DC dual power
• DC: -36~ -72V
• AC: 90~260V

• Line Rate: 155.52Mbps ± 20ppm
• Optical connector: SFP or FC/PC type
• Optical Link 1+1 redundancy protection mechanism
• Operating wave-length: 1310nm or 1550nm
• Line coding format: Scrambled NRZ
• Output power: -7 ~ -15 dBm @1310nm
• Receive sensitivity: < -34 dBm@10-10 BER
• System Gain: > 19 dB
• Automatic Laser Shutdown(ALS)protection

• Bit Rate: 2.048Mbps± 50ppm
• Line Code: HDB3/AMI
• Pulse Shape: Conform to ITU-T G.703
• Impedance: 120 Ohms balanced or 75 Ohms unbalanced
• Jitter: Conform to ITU-T G.823
• Connector: RJ-48C or wire-wrapping for 120 Ohms      balanced. BNC for 75ohm unbalanced

• Four RJ-45 ports for four 10/100Base-TX,(comply with IEEE802.3u 10 Base-T and 802.3u 100 Base-TX)
• Support auto-MDIX function
• Frame size is up to 1536 bytes
• Bridge functions:Support MAC address filtering and Embedded 2K entries of address table per port
• Support IEEE 802.1Q VLAN, Q in Q, 802.1P QoS, DSCP, 4 priority queues per port, Rate limiting

• Bit Rate : N x 64 Kbps, N=1 to 32, 64, 128
• Connector : M34 Female

• FCC ClassA part 15B
• EN55082-1, EN55022
• CE, RoHS