3com MSR 20-20 사용자 설명서
112
C
HAPTER
3: M
ULTIFUNCTIONAL
I
NTERFACE
M
ODULES
Step 3: Check the LINK LED on the MIM-1POS panel: ON means the Rx link is
present and OFF means the opposite. Check the line in the second case.
present and OFF means the opposite. Check the line in the second case.
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WARNING: Because invisible laser radiation may be emitted from the aperture of
an optical port when no fiber is connected or the dust cap is removed, do not
stare into the open aperture.
an optical port when no fiber is connected or the dust cap is removed, do not
stare into the open aperture.
Replace the dust cap when no fiber is connected to the optical port.
MIM-2FXS/MIM-2FXO/
MIM-2E&M and
MIM-4FXS/MIM-4FXO/
MIM-4E&M
MIM-2E&M and
MIM-4FXS/MIM-4FXO/
MIM-4E&M
Introduction
2/4-port voice subscriber circuit interface module (MIM-2FXS/MIM-4FXS) serves to
access and handle 2/4 channels of ordinary analog phone, fax, or AT0 loop trunk
of telephone exchange.
access and handle 2/4 channels of ordinary analog phone, fax, or AT0 loop trunk
of telephone exchange.
2/4-port voice AT0 analog trunk interface module (MIM-2FXO/MIM-4FXO) serves
to access and handle 2/4 channels of common user lines of telephone exchange.
to access and handle 2/4 channels of common user lines of telephone exchange.
2/4-port voice E&M analog trunk interface module (MIM-2E&M/MIM-4E&M)
serves to access and handle 2/4 channels of E&M analog trunks.
serves to access and handle 2/4 channels of E&M analog trunks.
These modules make it possible to transfer voice signals over data communication
networks.
networks.
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CAUTION: When connecting a voice MIM, make sure that H3C Series Routers can
be connected to an IP network or other LAN.
be connected to an IP network or other LAN.
Interface Attributes
The interface attributes of MIM-2FXS/MIM-2FXO/MIM-2E&M and
MIM-4FXS/MIM-4FXO/MIM-4E&M modules are given in the following table:
MIM-4FXS/MIM-4FXO/MIM-4E&M modules are given in the following table:
Table 73 Interface attributes of MIM-2FXS/MIM-2FXO/MIM-2E&M and
MIM-4FXS/MIM-4FXO/MIM-4E&M
MIM-4FXS/MIM-4FXO/MIM-4E&M
Attribute Description
Connector RJ-45
Number of connectors
2 (MIM-2FXS/MIM-2FXO/MIM-2E&M
module)
module)
4 (MIM-4FXS/MIM-4FXO/MIM-4E&M
module)
module)
Cable
Telephone cable with ferrite core
E&M trunk (for E&M module, which
should be made by users depending
on the actual needs at the site.)
should be made by users depending
on the actual needs at the site.)