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MIM-1E1/MIM-2E1/MIM-4E1/MIM-1E1-F/MIM-2E1-F/MIM-4E1-F Modules 85
Figure 95 75-ohm 4E1 conversion cable
c
CAUTION: Both 75-ohm 4E1 and 120-ohm 4E1 conversion cables are required for
MIM-4E1/4E1-F modules. While E1 cable is optional, please order E1 cables when
purchasing an MIM-4E1 or MIM-4E1-F module. By default, they are not provided.
In addition, a 75-ohm to 120-ohm adapter is provided. For the pinouts of cables,
see Low-End and Mid-Range Series Routers Cable Manual.
Internal DIP Switches MIM-1E1/MIM-2E1/MIM-4E1 and MIM-1E1-F/MIM-2E1-F/MIM-4E1-F modules
provide internal DIP switches, and the setting of DIP switches decides the interface
impedance and grounding mode.
By default, all the DIP switches for MIM-1E1/MIM-2E1/MIM-4E1 and
MIM-1E1-F/MIM-2E1-F/MIM-4E1-F modules are set to ON, as illustrated in the
following figure:
Table 48 Correlation between DIP switches of MIM-1E1/MIM-2E1/MIM-4E1 and
MIM-1E1-F/MIM-2E1-F/MIM-4E1-F modules and E1 interface
Module MIM-1E1/1E1-F MIM-2E1/2E1-F MIM-4E1/4E1-F
DIP switch S1 S1 S2 S1 S3 S4 S5
E1
interface
Interface
0
Interface
0
Interface
1
Interface
0
Interface
1
Interface
2
Interface
3