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Interface cables for the fic-fxs/fic-fxo modules, Interface cables for fic-e&m modules – H3C Technologies H3C MSR 50 User Manual

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RJ-45 receptacles on the FIC-FXO/FIC-FXS/FIC-E&M modules adopt RJ-45 connectors.

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The standard equipping package for the FIC-2FXS/FIC-2FXO and the FIC-4FXS/FIC-4FXO
includes the appropriate number of regular telephone cables.

Interface cables for the FIC-FXS/FIC-FXO modules

Interface cables for FIC-2FXS/FIC-2FXO and FIC-4FXS/FIC-4FXO are telephone cables with ferrite
core. For cable pinouts, see Low-End and Mid-Range Series Routers Cable Manual.

Interface cables for FIC-E&M modules

E&M modules available with H3C Series Routers support Bell I, II, III, V switches, and use 2-wire and
4-wire voice implementations.

When connecting a switch to your router, a Bell V four-wire connection is preferred.

The following figure shows the pinouts of RJ-45 receptacle on E&M modules. The pins are numbered 1
to 8 from left to right:

Figure 4-94 Pinouts of RJ-45 receptacle

Table 4-58 Pinouts of E&M interface cable (Bell V 4-wire)

E&M interface

RJ-45 Pin

Signal

Signal direction

1 —

2 E

IN

3 RING0 IN

4 RING1 OUT

5 TIP1

OUT

6 TIP0

IN

7 M

OUT

8 SG

Ground

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