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Chapter 5 Antennas
Installing Antennas
3. Connect the cable to the antenna and run the cable from the antenna through the
slot of the floor flange.
Caution: To avoid damage to internal solder connections, do not
over-tighten the connector.
4. Replace the four screws to secure the top of the antenna in place with the cable
connected.
Installing the Transient Eliminator
If you are installing a transient eliminator, follow these guidelines:
Transient eliminators should be installed in accordance with your antenna system
grounding scheme
Mount the transient eliminator within 30 fett (9 m) of the GPS antenna
If required, mount a second transient eliminator near the GPS antenna
To install the transient eliminator:
Note: Step 6 in the following procedure cannot be done if you cut the
cable (as described in Step 1).
1. If necessary, cut the coaxial cable and install mating connectors (see
Antenna
Cables, on page 282).
2. Using the DVM, measure the resistance between the center conductor and
shield to verify that the center conductor and shield are not shorted together.
3. Connect the longer GPS antenna coaxial cable to the transient eliminator.
4. Connect the ground wire between the transient eliminator and the proper
grounding zone (building ground, master ground bar, or other) for the mounting
location.
Recommendation: Symmetricom does not recommend soldered
connections for grounding purposes. All grounding connections
should be secured with mechanical clamp connectors.
5. Wrap the connectors with weatherproof tape for added protection.
6. Verify that the antenna coaxial cable center conductor is not shorted to the shield of
the cable.
284 SSU-2000 Technical Reference
12713020-003-2 Revision F.01 – January 2007
Cutting
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