Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
2.3.7 CHANNEL MODULES
All payload circuits connect to IMUX 2000 multiplexers through channel modules. RFL offers a
family of channel modules that support a wide range of circuit types: voice, synchronous and
asynchronous data, polling data, office-end/station end, and time slot access. A more detailed
discussion of channel module features and a summary of IMUX 2000 channel module configuration
guidelines appears in Section 4 of this manual. Instruction Data sheets for all IMUX 2000 channel
modules appear in Sections 14 through 19 of this manual.
2.3.8 MODULE ADAPTERS
Each channel module must be used with a Module Adapter, either its own or one that is shared with
another channel module. Both the Main and Repeater shelves provide 18 rear-access Module Adapter
slots, one corresponding to each of the 18 front-access module slots. All IMUX 2000 Module Adapters
have the same connector on their front edge to mate with the back plane. However, different Module
Adapters have different rear edge connectors, providing a variety of interfaces. (See Figure 2-18.)
MODULES
COMMON, CHANNEL, POWER*, ETC.
MAIN OR EXPANSION SHELF
MODULE
ADAPTERS
CONNECTOR(S)
FOR SPECIFIC
INTERFACE
STANDARD
CONNECTOR
TO MATE TO
BACKPLANE
FRONT BACKPLANE REAR
EJECT TAB
*NOTE:
POWER SUPPLY MODULES DO NOT
REQUIRE MODULE ADAPTERS
Figure 2-18. Side view of Main or Repeater shelf, showing insertion of modules and Module Adapters
IMUX 2000E1 RFL Electronics Inc.
April 1, 2007 2-29 (973) 334-3100
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