H3C Technologies H3C MSR 50 - Manual (Page 266)

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