Arris Touchstone TM508 Guia de Instalação Página 14

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Touchstone Telephony Release 5 Standard 1.2 Mar 2007
Telephony Requirements
Each telephone line supports copper wire loop lengths of up to 128¾,
equivalent to 1500 feet of 26 AWG (American Wire Gauge) copper
wire loop. The loop length includes the cable between the Telephony
Modem and punch-down block, subscriber premises wiring, and exten-
sion cables used with subscriber CPE.
The Telephony Modem uses a cable with RJ-21X connectors to the
punch-down block.
Network Requirements
If the Telephony Modem is to provide data service for subscribers, a
100BaseT Ethernet connection (usually a hub or switch) must be avail-
able.
Note: When most or all lines are off-hook, data services may be
impacted due to lack of bandwidth.
For best results, the RF connection should use RJ-6 coaxial cable, cut
to the minimum practical length to minimize losses. The HFC network
must be DOCSIS 2.0 compatible.
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