Product category:
Networking Hardware
News Release from: TC Communications | Subject: TC8520
Edited by the Electronicstalk Editorial
Team on 13 May 2005
Multiplexer makes the most of installed
fibre
A novel multiplexer optimises fibre optic cable usage by multiplexing 10/100Mbit/s Ethernet, telephone and serial data over single-mode or multimode fibre.
A new Ethernet, phone and data multiplexer from TC Communications optimises fibre optic cable usage by multiplexing one 10/100Mbit/s Ethernet, four telephone and, optionally, four channels of serial data over single-mode or multimode fibre A "one fibre" two-way communication option doubles existing fibre usage
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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Rate control on the Ethernet Port and Industrial Hardened versions are optional.
The TC8520 converts two-wire FXS to fibre optics on the telephone side with ring down capability and FXO on the PBX side.
Because the TC8520 digitises the analogue signals (PCM), voice quality does not degrade over extended distances.
Serial data interface options are RS232, RS422, TTL and dry contact.
It also supports two- and four-wire analogue (600ohm).
The Ethernet port auto-negotiates at 10/100Mbit/s with full 10Mbit/s throughput and offers rate control in increments of 32Kbit/s.
It is IEEE802.3/802.3u/802.3x compliant.
Setup, diagnostics and control is accessed via serial terminals, telnet or SNMP management ports.
It supports distances to more than 100km and offers redundant power and optics, including automatic switchover features for maximum reliability.
It is available "Industrial hardened" (-40 to +80C) for extreme environments.
Typical applications include multiplexing Ethernet, telephone and data circuits to maximise use of existing fibre optic networks.
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