*E1 comply with ITU G.703,G.704,G.706,G.823
*T1 comply with ANSI TI.403-1999,ANSI TI.408,AT&T TR 62411
*Full comply with IEEE 802.3/IEEE 802.3u/IEEE 802.1Q(VLAN)
*E1 Framed(N*64Kbps) and unframed(2.048Mbps) optional
*Frame mode support PCM30/PCM31
*Support CRC4
*T1 unframed (1.544Mbps) and transparent
*Ethernet port 10/100Mbps,Full/Half Duplex mode compatible
*Support internal clock,E1/T1 recovery clock
*Provide analog and digital loopback test
*For E1 interface,75ohm(unbalanced) and 120ohm(balanced) optional
*For T1 interface 100ohm(balanced)
*Comprehensive LED indicators on front panel,convenient for the diagnosis of equipment working state
*Support Management
*-48V DC & 220V AC power supply optional
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