Dfic-24fxo24fxs, Introduction, Interface attributes – H3C Technologies H3C MSR 50 User Manual

Page 270: Interface leds, Interface cable

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DFIC-24FXO24FXS

Introduction

The DFIC-24FXO24FXS provides 24-port voice subscriber circuit and 24-port voice AT0 analog trunk
circuit. FXS interfaces process and transmit voice signals over data communications networks for 24
regular analog phones, faxes, or AT0 loop trunks of telephone exchanges. The FXO interfaces process
and transmit voice signals over data communications networks for 24 loops of telephone exchanges.

Interface attributes

Table 4-61 Interface attributes of the DFIC-24FXO24FXS module

Attribute

Description

Connector

50-pin D-type female connector

Interface standard

FXS and FXO interface

Interface rate

24 × FXO interface rate plus 24 × FXS interface rate

Interface LEDs

DFIC-24FXO24FXS has two kinds of LEDs, Active and Link.

Table 4-62 Description of LEDs on the DFIC-24FXO24FXS panel

LED

FXO interface

FXS interface

Active

OFF means all links are idle. Blinking
means one or more links are
occupied.

OFF means all links are idle. Blinking means one
or more links are occupied.

Link

Steady ON if an electric device is
connected.

Steady ON means no fault occurs on the link

The following figure illustrates the DFIC-24FXO24FXS panel.

Figure 4-97 DFIC-24FXO24FXS front panel

Interface cable

DFIC-24FXO24FXS uses a 5 m (16.4 ft) or 15 m (49.2 ft) telephone conversion cable. At one end of the
cable is a D50 male connector that is used to connect to the DFIC-24FXO24FXS module; at the other
end are 24 RJ-11 connectors.

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