ICT 4E1-10/100BT is an inverse multiplexer transmitting one Ethernet channel over multiple E1 links, bundling up to 4E1 (max.7.68Mbps full-duplex). It allows bridge and routers to operate at their fastest rates. It also provides high speed access to SDH/SONET backbones where the only access services available are E1 lines.
ICT 4E1-10/100BT has a 10/100 Ethernet bridge with VLAN support for LAN-to-LAN applications over four E1 links. If one of the E1 links fails, the channel is still on, but at a reduced speed (automatic rate fallback). It... View full description
Web address: http://www.tech-pac.com Address: 6/F., Houston Centre, 63 Mody Road, TST, Kowloon,, Hong Kong, Hong Kong
Phone: 852-2-5710327 - Fax: 852-2-5710317
Detailed Product Description
ICT 4E1-10/100BT is an inverse multiplexer transmitting one Ethernet channel over multiple E1 links, bundling up to 4E1 (max.7.68Mbps full-duplex). It allows bridge and routers to operate at their fastest rates. It also provides high speed access to SDH/SONET backbones where the only access services available are E1 lines.
ICT 4E1-10/100BT has a 10/100 Ethernet bridge with VLAN support for LAN-to-LAN applications over four E1 links. If one of the E1 links fails, the channel is still on, but at a reduced speed (automatic rate fallback). It provides immediate connection upon installation and easy maintenance
FEATURES:
? Low-cost Ethernet extension and converter
? Transparent transport of LAN (10M/100M interface) traffic over 1-4 unframed E1 links
? Full compliance with IEEE 802.3 and MII interface standard
? Network Interface: 10 Base-T/100 Base-T, half/full duplex mode
? Transparent transport of super long frame per IEEE 802.1Q
? Data rates from 1.920Mbps to 7.680Mbps with automatic fallback and VLAN support
? Built-in dynamic MAC address LAN table (1024), filtering function of local data frame
? LAN data frame FCS checking with alarm, built-in SDRAM controller
? Selectable buffer size for different application needs
? High jitter tolerance level of up to 512UI for added reliability
? Comprehensive alarm indicators
? Compliance with ITU-T G.703, G.704, G.823, timeslot assignment not supported
? Supports both HDB3/NRZ coding
? Built-in BERT and loopback test function for 1-4 E1 links with automatic rate fallback
? Remote terminal reset from local terminal
? 220VAC or -48VDC power supply
SPECIFICATIONS
Line Interface
Standard ITU-T G.703, G.704
Line Type BNC 75 ohm coaxial cable
Line Code HDB3 (1920 K bit/s baud rate) or NRZ
Framing Unframed
Jitter Tolerance Standard Per ITU-T G..823
Output Jitter <0.05UI
Jitter Tolerance up to 512UI
Clocking Receive Clock
Rate 1xE1 1920 K bit/s
2xE1 3840K bit/s
3xE1 5760K bit/s
4xE1 7680K bit/s
E1 channels 1~4
Differential delay
among E1 links up to 8 ms
Receive voltage 0~-43
Transmit high voltage 2.37V?10%,75ohm
Transmit low voltage 0 ? 0.1V
Connector BNC coax: 75ohm for 2048k bit/S unbalanced
ICT 75/120 adapter for 120ohm balanced.
Ethernet interface
Standard IEEE 802.3
Speed 10Mbit/s or 100Mbit/s
Operation Mode Full duplex/Half duplex autosensing
Connector RJ-45
MAC address 1024
Physical
Height 38 mm / 1.5 in
Width 300 mm / 11.7 in
Depth 200 mm / 7.7 in
Weight 1.5kg / 3.3lb
Power Supply
AC Source 220 VAC (?10%), 50 to 60 Hz, 3 VA
DC Source -36 to -72 VDC, 3W
Power Consumption AC: 3VA
DC: 3W
Environment
Operation temperature 0-50 C
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