®
2635A-RF900USB
900 MHz RF USB Modem
Instruction Sheet
Introduction
Contacting Fluke
The 2635A-RF900USB 900 MHz RF USB Modem
(referred to as “the Modem”) is a radio-frequency
transceiver that, used together with the 2635A-RF900
Serial RS-232 Modem, creates a wireless link
between Fluke Hydra Series Data Loggers and a
computer (PC) running Hydra application software.
To locate an authorized service center, visit us on the
using any of the following numbers:
USA: 1-888-99-FLUKE (1-888-993-5853)
Canada: 1-800-36-FLUKE (1-800-363-5853)
Europe: +31 402-678-200
Japan: +81-3-3434-0181
Singapore: +65-738-5655
Anywhere in the world: +1-425-446-5500
Note
The modem operates in the 900 MHz
frequency range and is approved by the FCC
for use in the United States. Operation in
other countries may violate local regulations.
When operating outside the United States,
check with the appropriate governing agency
in the host country prior to Modem operation.
Shipping Contents
The Modem comes with the following items:
•
Instructions for use with the Hydra Series (this
sheet)
This instruction sheet assumes familiarity with the
Hydra software and Hydra Series Data Logger
operation. If unfamiliar with Hydra software or the
Hydra Series hardware, refer to the software user’s
documentation or the appropriate Hydra Series Users
manual. The Modem is shown in Figure 1.
•
•
•
•
Quick Start Guide
CD-ROM with documentation and software
½ wave Dipole Antenna
USB (Universal Serial Bus) 6 ft. cable
Requirements
The Modem requires a PC with one free USB port
and Windows XP, 2000, or 98 SE.
Config
Switch
Reset
Switch
Antenna
Installation
USB Port
Connector
Each wireless system requires two modems – one
base station connected to a PC, and one remote station
connected to a Hydra Data Logger. This USB Modem
is used as a base station connected to the PC; the
remote station connected to the Hydra is a 2635A-
RF900 Serial RS-232 Modem.
Data Out
Data In
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Power Indicators
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7
-1
Power Adapter Jack
8
O-O
V
To ease system setup, the Modem’s factory default
settings are correct for proper PC-to-Hydra operation
without further adjustments. There are no setup
differences between the base and remote stations.
D
-O
C
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Figure 1. 2635A-RF900USB 900 MHz RF USB Modem
PN 2558814 November 2005 ©2005 Fluke Corporation. All rights reserved. Printed in U.S.A.
1
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