▪ 4 channels unframed E1/T1 with both E1 BNC(75Ω) and E1/T1 RJ45 (120Ω) ports
▪ 3× 10/100Base-TX Ethernet RJ45 ports with 100Mbps throughput)
▪ Auto MDI/MDIX, Auto-Negotiation or Force mode
▪ Supports flow control
▪ RS-232 port with DB9 for system console
▪ One alarm output port
▪ Port based VLAN
▪ 2 plug-in SFP slot for optical 155Mbps SFP module
▪ Forward 1536 byte packets on Ethernet port
▪ 1+1 fiber protection, less than 50ms
▪ One RS232 clear channel with RJ45 port up to 250Kbps(Async)
▪ Supports Digital Diagnostics Monitoring Interface (DDMI)
▪ AIS on signal loss on E1/T1 and fiber port
▪ Loopback test on E1/T1, RS-232, fiber ports
▪ Supports local or remote In-band management
▪ SNMP and web based management (Options)