Functions:

          

? Multiplexer of 16*E1 (2.048Mb/s) channels, 2* 100Mbps
Ethernet channel and a clear asynchronous RS-232 data channel
? 1+1 Optical Redundancy Backup: Provide two plug-in I/O slotsfor dual optical interface cards.Protection of dual optical interfaceavailable to ensure that business will not be interrupted.
? Flexible Configuration: Providing 4 plug-in I/O slotswhich caninsert various modules to meet different user requirements andcustomizations,each slot can use the following service cards:
?? 4-channel E1 module, providing 75ohm or 120ohm(optional).
?? 4-channel V.35 module, providing 4 standard V.35;
?? 4-channel FXS/FXO voice module;
?? 4-channel RS232 module;
? Providing 1 RS232 port for system console;
? Providing 1 alarm output port,1 order wire port;
? Providing SNMP network management;
? Providing Web-based network management
? Providing controllable menu of LCD;

Interfaces:
E1 Interface
?? Line Rate: 2.048Mbps?0ppm
?? Line Code : HDB3
?? Interface Standard: ITU-T G.703
?? E1 Impedance: 75O(unbalance)

10/100Base-T Interface
?? Rate: 10/100M, full/duplex auto-negotiation
?? Protocol: Support VLAN
?? MAC Address Entiries: 1k Entiries
?? Physical interface: RJ45, support AUTO-MDIX
?? Rate: 1-100 Mbps adjustable by software

V.35 Interface
?? Electric Level: In compliance withCCITT V.35 standard
?? Physical Interface: DB25
?? Interface Bit Rate: 2.048Mbit/s
?? Support DCE(master clock),DCE(lineclock), DTE(V.35 interface clock).
FXO/FXS Interface
?? Electric Level: In compliancewith CCITT V.35 standard
?? Physical Interface: DB9
?? Interface Bit Rate:2.048Mbit/s

Rs232 Interface
?? Transmission Mode: Full-Duplex
?? Transmission Speed: 110~115.2K bps
Optical Interface
?? Speed of optical interface: 155Mbps
?? Type of Optical Connectors: FC/SC
?? Focus Wavelength: 1310/1550 nm
?? Optional Transmitting Distance: 0~120 Km(can becustomized by customer)

Power supply
working voltage range wide, good
anti-disturb and Isolation, work stable
option I ?DC-48V,range DC-36V~DC-72C
option II ?AC220V,range AC165V~AC240V
Power Consumption: <=40 Watts

environment condition
Operating temperature: 0C~+50 C
Storage temperature: -20 C~+70 C
Relative temperature:95% (uncondensed)

Dimension
?? 433mm(L)
?? 220mm(W)
?? 43.5mm(H)
?? EIA 19" Rack