Comtech EF Data CDM-750, Installation And Operation Manual

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CDM-750 Advanced High-Speed Trunking Modem Revision 2
Rear Panel Connections MN-CDM750
3–3
3.1.1.4 Type ‘F’
Type ‘F’ connectors feature a Threaded Coupling design
similar to Type ‘TNC’, Type ‘N’, and Type ‘SMA’
connectors.
3.1.1.5 Type ‘SMA’ (Subminiature Version ‘A’)
Type ‘SMA’ connectors feature a Threaded Coupling
design similar to Type ‘TNC’, Type ‘N’, and Type ‘F’
connectors.
3.1.2 D-Subminiature Cable Connections
Type ‘D’ Connection Type Example
Chassis Receptacles:
Female (top)
Male (bottom)
Type ‘D’ Cable with Jack Screws
(female shown)
Figure 3-2. D-Subminiature Connector Examples
D ‐ Subminiature connectors are also called Type ‘D’ or ‘ D ‐ Sub ’ connectors. The connector pair
features multiple rows of pins (male side) coupled to mating sockets (female side). The cable
plug and chassis receptacle each feature a D ‐ shaped profile that interlock to ensure proper pin
orientation and connector seating.
Either chassis receptacle gender features two jack nuts for secure assembly of the cable plug to
the chassis receptacle.
Whether its gender is male or female, the cable plug features two jack screws for secure
connection to the jack nuts provided on the mating chassis receptacle. The jack screws may be
hand tightened or tightened with a standard flat ‐ blade screwdriver.