3.2.2 Antenna Side Connectors; If Connectors (50Ω Bnc); Ground Stud; Table 3-4. J7 (Rx) And J8 (Tx) Type 'Bnc' Connectors - Comtech EF Data CRS-180 Installation And Operation Manual

CRS-180 70/140 MHz IF 1:1 Redundancy Switch
Switch Connectors and Pinouts

3.2.2 Antenna Side Connectors

Two 50Ω female BNC connectors on the antenna side of the CRS-180 (Figure 3-4) provide the
coaxial cable connections to the outdoor transmit and receive equipment.
See Sect. 1.3.1 in Chapter 1. INTRODUCTION for information about the LED
•
Indicators.
See Sect. 1.3.1 in Chapter 1. INTRODUCTION and Sect. 4.6 in Chapter 4. MODEM
•
AND
DIP Switches.
Figure 3-4. CRS-180 – Antenna Side Connectors and Ground Stud
3.2.2.1 IF Connectors (50Ω BNC)
3.2.2.2

Ground Stud

CAUTION – PROPER GROUNDING PROTECTION IS REQUIRED. THE INSTALLATION
INSTRUCTIONS REQUIRE THAT YOU MUST ENSURE THE INTEGRITY OF THE
PROTECTIVE EARTH AND THAT YOU MUST MAINTAIN THE EQUIPMENT'S
CONNECTION TO THE PROTECTIVE EARTH AT ALL TIMES.
Use the #10-32 stud provided on the antenna side of the Switch for connecting a
common chassis ground among equipment.
SWITCH CONFIGURATION for information about the "Switch Conditions"
The 50Ω Type 'BNC' female connectors on the antenna side of the
CRS-180 provide the coaxial cable connections to the outdoor
receive and transmit equipment.

Table 3-4. J7 (Rx) and J8 (Tx) Type 'BNC' Connectors

Ref Des Name
J7 Rx
J8 Tx
Connector Type
BNC
BNC
3–6
MN/CRS180.IOM
Revision 11
Function
RF Input
RF Output