ict e1-10/100bt is a high performance remote ethernet bridge with self-learning ability connecting two ethernet segments over e1 links. ict e1-10/100bt also functions as a high speed, ethernet interface, synchronous short-range modem operating at full duplex over unconditioned lines. its compact size and low cost make it ideal for cost-sensitive bridging applications or as lan extenders. features: ¨ª transparent transport of lan traffic over unframed e1 circuits ¨ª full compliance with ieee 802.3 and ethernet v.2 ¨ª manual/autosensing 10/100 baset lan, half or full duplex ¨ª lan cable straight/cross-over auto sensing (auto mdi/mdix) ¨ª built-in dynamic mac address lan table (1,024 mac address) ¨ª transport super long frame length of 1528 bytes (without crc) ¨ª vlan support ¨ª monitoring of remote unit status from local unit. ¨ª manual reset of remote unit from local unit ¨ª auto-reset function: disable or enable (activates when no network traffic signal last for 12 seconds) ¨ª automatic filtering/learning/aging of mac address lan table ¨ª 30,000 frames per second filtering and forwarding rate ¨ª clocking: internal, network, ¨ª support remote loopback ¨ª compact in size and lightweight, only 0.4kg ¨ª e1: 75¥ø unbalanced or 120¥ø field selectable ¨ª 220vac or -48vdc power supply specifications line interface standard itu-t g.703 line code hdb3 (2048 kbps baud rate) framing unframed timing internal, receive(network) speed 2.048m bps receive voltage 0~-43 db transmit high voltage 2.37v¡¾10%,75¥ø transmit low voltage 0 ¡¾0.1v connector bnc coax: 75¥ø for 2048 kbps unbalanced rj-45 connector: 120¥ø for 2048 kbps balanced ethernet interface standard ieee 802.3 speed 10m/100mbps auto sensing operation mode full duplex/half duplex/adaptable mac: 32k byte connector rj-45 physical height 36 mm/1.4 in width 200 mm/7.7 in depth 146 mm/5.7 in weight 0.4kg / 0.88lb power supply ac source 220 vac (¡¾10%), 50 to 60 hz, 3 va dc source -48 vdc (-36 to -72 vdc), 3w power consumption 3w environment operation temperature 0 -50¡æc storage temperature -20~70¡é humidity up to 95%, non-condensing