Instruction Manual

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Product # 7861 & 7863

ADIO

URGE

ROTECTOR

ELLULAR

ELEPHONE

ODEM

PREAD

-S

PECTRUM

ADIO

ODEM

AND

UHF R

ADIO

ODEM

The Radio Surge Protector provides surge protection between any antenna

cable with BNC connector and the UHF radio modem (UHF-RM), spread-spec-

trum radio modem (SS-RM), or cellular telephone modem (CTM). The use of

the Radio Surge Protector is essential if the UHF-RM, SS-RM, or CTM is being

used in an area where lightning induced surges are a possibility.

Note:

Davis recommends the use of the Radio Surge Protector for all wireless installations.

OMPONENTS

The Radio Surge Protector comes with the following components. Please make

sure you have all listed components before continuing.

Radio

Surge

Protector

Ground Lug

Aluminum

Spacer

#10-32 x 1"

Machine Screw

Internal Tooth

Lock Washers

#10-32

Hex Nut

12" BNC Connector Cable

Included with #7863 (Radio

Surge Protector for Spread-Spectrum

and UHF) only

Ground Wire

Summary of content (4 pages)

PAGE 1
RADIO SURGE PROTECTOR FOR CELLULAR TELEPHONE MODEM, SPREAD-SPECTRUM RADIO MODEM, A N D UHF R A D I O M O D E M The Radio Surge Protector provides surge protection between any antenna cable with BNC connector and the UHF radio modem (UHF-RM), spread-spectrum radio modem (SS-RM), or cellular telephone modem (CTM). The use of the Radio Surge Protector is essential if the UHF-RM, SS-RM, or CTM is being used in an area where lightning induced surges are a possibility.
PAGE 2
I NSTALLING IN C OMPLETE S YSTEM S HELTER Follow the instructions below to install the Radio Surge Protector (referred to as the protector) in the Complete System Shelter (CSS). 1. Using a 7/32" drill bit, drill a hole in the CSS in the location shown below. 2. Install the protector and ground lug as shown below, using the #10-32 x 1" (25 mm) machine screw and the tooth lock washers and #10 hex nut from the mounting hardware kit supplied with the protector.
PAGE 3
I NSTALLING IN M ULTI -P URPOSE S HELTER Follow the instructions below to install the Radio Surge Protector (referred to as the protector) in the Multi-Purpose Shelter (MPS). 1. Using a 7/32" drill bit, drill a hole in the MPS in the location shown below. 2. Install the protector and ground lug as shown below, using the #10-32 x 1" (25 mm) machine screw, spacer, and the tooth lock washers and #10 hex nut from the mounting hardware kit supplied with the protector.
PAGE 4
Product Number: 7681 & 7863 Davis Instruments Part Number: 7395-127 Radio Surge Protector For Cellular Telephone Modem, Spread-Spectrum Radio Modem, and UHF Radio Modem Rev. A Manual (7/8/99) This product complies with the essential protection requirements of the EC EMC Directive 89/336/EC. © Davis Instruments Corp. 1997. All rights reserved.