3Com Router Module Guide
Chapter 3 Multifunctional Interface Modules
3-4
ACT
LINK
Figure 3-7
Router 4-Port FXO panel
ACT
LINK
Figure 3-8
Router 4-Port E&M panel
Table 3-2
Description of the LEDs on voice MIM panel
LED Description
LINK
OFF means no link is present; ON means a link is present.
ACT
OFF means the channel is idle. ON means there is call activity.
3.1.5 Interface Cable
External interfaces of Router 2-Port FXS/FXO/E&M module and Router 4-Port
FXS/FXO/E&M module are standard RJ-45 connectors.
Interface cables for Router 2-Port FXS/FXO and Router 4-Port FXS/FXO are
telephone cables with ferrite core, and both ends of which are RJ11 connectors.
Cables for Router 2 and 4-Port E&M need to be selected according to the type of
telephone exchange to be connected.
Note:
z
To ensure the consistency of the receptacles on MIMs, RJ-45 receptacles are used as external
interfaces for FXS/FXO/E&M modules. Because they are compatible with RJ11 connectors, they can
be used as normal.
z
Telephone cables have been included in the standard shipment package of Router 2-Port FXS/FXO,
Router 4-Port FXS/FXO modules.
I. Interface cable of FXS/FXO modules
Connection cables for Router 2-Port FXS/FXO and Router 4-Port FXS/FXO are
telephone cables with ferrite core.
