3–1
Chapter 3. REAR PANEL
CONNECTIONS
3.1 Cabling Connection Types
The cable and connector types described in this section are commonly used in many CEFD
products. This unit may not use all of these types. Each cable type is typically dedicated to a
specific mode of operation.
The European EMC Directive (EN55022, EN50082-1) requires that you use properly
shielded cables for DATA I/O. These cables must be double-shielded from end-to-end,
ensuring a continuous ground shield.
3.1.1 Coaxial Cable Connections
Coupling Type
Connector Type
Plug Jack
Bayonet
(Type ‘BNC’ shown)
Threaded
(Type ‘N’ shown)
Figure 3-1. Coaxial Connector Examples
The types of coaxial cables used by Comtech EF Data 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.
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