List of Similar Products: Physically Isolated 100M Telephone Optical Terminal

No.

Product Model

Features

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1

IDM NTD421

250M optical interface, providing2 voice channels+2 groups of physically isolated 100M Ethernet ports, of which ports1,2,3 are physically isolated from the fourth port,220V power supply.

Dual physically isolated line-rate100M Ethernet channels; the3 Ethernet ports sharing100MVLAN

The voice interfaces can beFXO central office automatic telephone,FXS remote automatic telephone, orMAG magneto telephone, providing2 RS485 interfaces.

It supports point-to-point applications with dual optical ports for mutual backup. A standardSNMP network management interface is provided.

2

IDM NTD421c

250M optical interface, providing2 voice channels+2 groups of physically isolated 100M Ethernet ports, of which ports1,2,3 and the fourth port are physically isolated from each other,220V power supply.

Dual physically isolated line-speed100M Ethernet channels; the3 Ethernet ports sharing100MVLAN

The voice channel interfaces can beFXO central office automatic telephone,FXS remote automatic telephone, orMAG magneto telephone, providing2 RS485 interfaces.

It can form daisy-chain or ring network topologies with dual optical port cascading. The8-position DIP switch on the front panel is used to set the station address in the daisy-chain network. A standardSNMP network management interface is provided.

3

IDM OMP200-8E1-30

250M optical interface, 19-inch 1U standard chassis, 30 channels of universal 64K service access equipment +8E1+2 channels of physically isolated wire-speed Fast Ethernet ports, 220V/-48V optional dual power supply; provides standard SNMP network management interface.

4

IDM 300MP

250Moptical interface, 19-inch 6U standard chassis, providing 300 telephone channels +8E1+2 physically isolated wire-speed 100M Ethernet, with standard SNMP network management interface.