100Base-FX to 4E1 Protocol Converter

Standalone, SNMP management

1. Overview

TD-CNV ETH -4EF Series F5-4518 Converter is a high performance, remote, self-learning l00MBase-FX to El protocol converter. Its compact size and low cost make it ideal for cost- sensitive bridging applications or as a LAN extender over bit stream type infrastructures. This product can convert l00Base-FX fiber to l-4El line, and vice versa. It provides completed indicators to show the status and alarm messages of the El line and Optical port. It is widely used in two LAN connecting, remote monitor and video broadcasting. Furthermore, it can be managed by the software Fi-View-PC.

2. Hardware Features

• Extend the bandwidth of the Ethernet to 8Mbps

• High performance bridge for l00Base-FX Ethernet extension

• Fully compatible with IEEE 802.3 Standards

• CRC32 checking and generation, and CRC error detection

• Auto-detect the valid El channels and auto-balance the data flow among the valid El channels

• Standalone provides one Optical port

• Standalone itself support SNMP and Console management

• El channel: Un-framed El channel, 75/l20ohm optional

• The 4E1 converter can be easily extended to 8E1 converter.

• 4U, 17-slot Chassis support SNMP/Console Management, and standalone can be managed from the center chassis

3. Software Features

• Support Console and SNMP management, for Standalone and Chassis

• Show details of system information, including chassis name, location information, IP address, start-up time, software and hardware version

• View & configure the working status of local chassis and remote standalone device, including El status, Optical status

• Support remote loop back function

• Reset the system or a single module via management software

• Reset chassis to factory default

• Support online firmware upgraded

• Show the detailed information of power supplies, including AC/DC type and working status

• Monitoring chassis inside temperature, fans status, and backboard power, and with alarms indication in software

• Provide MIB file, make it easy to be integrated into the third-party SNMP management software

• Adopt the centralized management style and the tree-view catalogue, which can manage many sets of chassis at the same time in one single window. Meantime, it’s very easy and clear to manage all devices even if many chassis in one window.


• El interface

Data rate: 2.048Mbps

Code type: HDB3

Connector: BNC (75Ω)

Mode: Unframed

Qty: 4

• Optical Interface

Wavelength: 850nm/l3l0nm/l550nm

Single mode/Multimode Optional

Up to 120km transmission distance

SC/PC, ST/PC and FC/PC optional



• DIP Switch

Local Looping; CRC Threshold;

Remote/Local Select

• Power


AC Power: 100V-240V, 0.4-0.2A, 50-60 Hz

DC Power: -48V, 0.4A


<3W for each standalone or module

• Environment Operation

Temperature: - 10°C’—5O°C;

Humidity: 0%—90%(non-condensed)

Air pressure: 86kPa— 106 kPa. Transport and store

Temperature: -20°C ‘—60°C;

Humidity: 0%’—90% (non-condensed)

Air pressure: 86kPa’- 106 kPa.

4. Order Information


TD-CNV ETH -4EF 100Base-FX to 1-8 El Protocol Converter Series


F5-4518A     100Base-FX to 4E1 Converter, Standalone Device, 220VAC Power input

F5-4518D     100Base-FX to 4E1 Converter, Standalone Device, -48VDC Power input

F5-4518M     100Base-FX to 4E1 Converter, Module

FC-416         4U height, 17 Slots Chassis, with two power supplies capability

FC-416-M    Management Module for the Chassis

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