1 type ‘bnc, 2 /type ‘tnc, 3 type ‘n – Comtech EF Data CDM-625A User Manual
Page 86: 4 /type ‘f, 5 type ‘sma’ (subminiature version ‘a’)

CDM-625A Advanced Satellite Modem
MN-CDM625A
Rear Panel Connectors and Pinouts
Revision 3
3–2
• Threaded Coupling Style: The jack features external threads. The plug shell features internal
threads, and has either a knurled outer surface to permit hand-tightening of the connection,
or hex flats to accommodate torqued installation.
Connection Instructions:
• Bayonet Coupling Connections: Use the plug slots to guide, then slide the plug onto the jack
posts. Then, turn the plug clockwise until the jack posts are fully seated within the plug slot.
• Threaded Coupling Connections: Engage the plug onto the jack threads, and then turn the
plug clockwise until it is fully threaded onto the jack. Do not over-tighten the connection.
3.1.1.1 Type ‘BNC’
BNC connectors feature a Bayonet Coupling design.
3.1.1.2 Type ‘TNC’
TNC connectors feature a Threaded Coupling design similar to
Type ‘N’, Type ‘F,’ and Type ‘SMA’ connectors.
3.1.1.3 Type ‘N’
Type ‘N’ connectors feature a Threaded Coupling design similar
to Type ‘TNC’, Type ‘F’, and Type ‘SMA’ connectors.
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.