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DMD15/DMD15L IBS/IDR Satellite Modem Operation
TM051 - Rev. 5.8 3-3
3.2 Universal Interface Module (UIM)
The Universal Interface Module (UIM) is a field-replaceable module that plugs into the rear of the
DMD15/DMD15L. The UIM provides the interconnection points (J3 - J8) for Terrestrial Data and
Clock to the Modem. The UIM also contains a Connection Port for an Asynchronous Data
Channel (J9) for use in Earth Station-to-Earth Station (ES-ES) communications. Additionally, the
UIM provides connection points (J11) for Form-C modem Status Relays. An illustration of two
versions of the UIM is shown in Figure 3-2, and Functional Block Diagrams are shown in
Figure 3-3.
Figure 3-2. Universal Interface Modules (UIM) Dip Switch Settings