2 antenna side connectors, 1 rf connectors (50( type ‘n’), 2 ground stud – Comtech EF Data CRS-170A User Manual
Page 48: 1 rf connectors (50 ω type ‘n’)

CRS-170A L-Band 1:1 Redundancy Switch
MN/CRS170A.IOM
Switch Connectors and Pinouts
Revision 13
3–6
3.2.2 Antenna Side Connectors
•
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. 4.9 in Chapter 4. MODEM
AND
SWITCH CONFIGURATION for information about the “Switch Conditions”
and “Intelligent / Dumb Controller” DIP Switches.
Figure 3-4. CRS-170A – Antenna Side Connectors and Ground Stud (Rev. A and
Later Version)
3.2.2.1 RF Connectors (50Ω Type ‘N’)
Two 50Ω Type ‘N’ female connectors on the antenna side of the
CRS-170A provide the coaxial cable connections to the outdoor receive
and transmit equipment.
Table 3-4. J7 | Rx and J8 | Tx ‘Type ‘N’ Connectors
Ref Des
Name
Connector Type
Function
J7
Rx
Type ‘N’
RF Input
J8
Tx
Type ‘N’
RF Output
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.