Cisco WS-X4604-GWY - VoIP Gateway Especificaciones descargar pdf (Pagina 44)

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Cisco Catalyst 4000 Access Gateway Module Installation and Configuration Note

OL-3008-01

Chapter 2 Installing the Access Gateway Module

Connecting the Voice and WAN Interface Modules

defined as port 0, ground/ground, port 1, ground/ground, and so on.) Connecting these

grounds directly to the FXS module results in shorting every alternate port on the module

to ground.

Warning

If the symbol of suitability with an overlaid cross appears above a port, you must not connect the

port to a public network that follows the European Union standards. Connecting the port to this

type of public network can cause severe injury or damage your router.

Figure 2-11 Connecting an 8-Port RJ21 FXS Module (WS-U4604-8FXS) to a Breakout Box

Table 2-6 describes the 8-port RJ21 FXS module link LED.

Figure 2-12 shows the pinout convention for the telco RJ-21 (tip and ring on 25 pairs). The top row is

ring, the bottom row is tip. For the 8-port FXS module, only the eight pairs to the right are used. The

middle set of eight pairs is shorted together but not to ground.

55809

Breakout box

180

RJ-21

connector

Velcro strap

Table 2-6 8-Port RJ21 FXS Module Link LED

LED Description

Link Green indicates that the telephone or fax

machine is off-hook.

Off indicates that the port is not active

(connected device is on-hook) or that the link is

not connected

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Cisco WS-X4604-GWY - VoIP Gateway Especificaciones Pagina 44