Inverse Mux/TDM over IP SDH/Fiber Transmission IP Broadband access PDH/TDM access Router/IPPBX/VoIP Page  [  1 ] TP3020D •one uplink, 2E1s, 2 User Data Port Stable E1 clock recovery, low jitter and wander •Low processing delay for E1 channels, high bandwidth usage efficiency •Resist to packet loss, with PCM frame synchronization protection •User definable packet size from 128 bytes up to 1408 bytes •Enough jitter buffer to resist packet delay variation (PDV) •Local Ethernet port throughput limiting, assuring E1 QoS •Local and remote E1 LOS and AIS and packet loss indication for trouble-shooting and maintenance •Adaptive E1 port impendence (75Ω and 120Ω) for coax and twisted pair cables •User selectable level 2 (Ethernet) or level 3 (IP) encapsulation options •Quick setup hardware mode switch •Support cascade concatenate for more than 2 E1 ports Brochures TP 3040 •User-friendly Web server supported for easy setup and maintenance •Point to point and point to multipoint supported •Four E1/T1 Ports supported, E1 or T1 easy selected by Web Manager •Uplink ports 1+1 backup supported •Stable E1/T1 clock recovery, low jitter and wander •Low processing delay for E1/T1 channels, high bandwidth usage efficiency •Resist to packet loss, with PCM frame synchronization protection •User definable encapsulation packet size for different application •Enough jitter buffer to resist packet delay variation (PDV) •Local Ethernet port throughput limiting, assuring E1/T1 QoS •Local and remote E1/T1 LOS and AIS and packet loss indication for trouble-shooting and maintenance •Support cascade concatenate for more than 4 E1/T1 ports Brochures IM3080 Features •8 E1 channels inverse multiplexer •Supports IEEE 802.1Q VLAN Trunk •Flow control •Rate：9.92Mbps/15.872Mbps •One optional optical Ethernet interface •Rack card/Stand-alone version •The card style can be inserted into IPT-RACK •Support SNMP management Brochures IM3050 Features •5 E1 channels inverse multiplexer for Ethernet data transmit •Standard ：ITU-T G.703/G.704 •IEEE 802.3 10Base-T •IEEE 802.3u 100Base-Tx/ 100Base-Fx •Supports IEEE 802.1Q VLAN Trunk •Flow control •Rate：9.92Mbps/15.872Mbps •One optional Ethernet optical interface for standalone unit •Rack card/Stand-alone version •The card style can be inserted into IPT-RACK •Support SNMP management Brochures Page  [  1 ]