Bnc; Tnc; Type 'N - Comtech EF Data LBC-4000 Installation And Operation Manual

The types of coaxial cables used by CEFD are 'BNC', 'TNC', 'N', 'F', and 'SMA'. Coaxial cables
(plugs) and their mating connectors (jacks/sockets) are available in two coupling styles – Bayonet
or Threaded:
Bayonet Coupling Style – The jack has a pair of guideposts that accommodate the plug's
lockdown slots. This lockdown design provides secure assembly without over-tightening the
connection.
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, and 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.
4.1.1.1

'BNC'

4.1.1.2

'TNC'

4.1.1.3

Type 'N'

Rear Panel Connectors
LBC-4000 L-Band Up/Down Converter System
BNC plugs and jacks feature a Bayonet
Coupling design.
TNC plugs and jacks feature a Threaded
Coupling design similar to Type 'N', Type 'F'
and Type 'SMA' connectors.
Type 'N' connectors feature a Threaded
Coupling design similar to Type 'TNC',
Type 'F', and Type 'SMA' connectors.
4–2
Revision 6
MN-LBC-4000