Campbell Scientific SDS511 User Manual

INSTRUCTION MANUAL

SDS511 CS I/O

Dual Port Adaptor

4/02

Copyright (c) 2002

Campbell Scientific, Inc.

Warranty and Assistance

The SDS511 CS I/O DUAL PORT ADAPTOR is warranted by CAMPBELL
SCIENTIFIC, INC. to be free from defects in materials and workmanship
under normal use and service for twelve (12) months from date of shipment
unless specified otherwise. Batteries have no warranty. CAMPBELL
SCIENTIFIC, INC.'s obligation under this warranty is limited to repairing or
replacing (at CAMPBELL SCIENTIFIC, INC.'s option) defective products.
The customer shall assume all costs of removing, reinstalling, and shipping
defective products to CAMPBELL SCIENTIFIC, INC. CAMPBELL
SCIENTIFIC, INC. will return such products by surface carrier prepaid. This
warranty shall not apply to any CAMPBELL SCIENTIFIC, INC. products
which have been subjected to modification, misuse, neglect, accidents of
nature, or shipping damage. This warranty is in lieu of all other warranties,
expressed or implied, including warranties of merchantability or fitness for a
particular purpose. CAMPBELL SCIENTIFIC, INC. is not liable for special,
indirect, incidental, or consequential damages.

Products may not be returned without prior authorization. The following

act information is for US and International customers residing in countries

cont
served by Campbell Scientific, Inc. directly. Affiliate companies handle
repairs for customers within their territories. Please visit
www.campbellsci.com to determine which Campbell Scientific company
serves your country. To obtain a Returned Materials Authorization (RMA),
contact CAMPBELL SCIENTIFIC, INC., phone [phone]. After an
applications engineer determines the nature of the problem, an RMA number
will be issued. Please write this number clearly on the outside of the shipping
container. CAMPBELL SCIENTIFIC's shipping address is:

CAMPBELL SCIENTIFIC, INC.

RMA#_____
815 W
Logan, Ut

CAMPBELL SCIENTIFIC, INC. does not accept collect calls.

est 1800 North

ah 84321-1784

SDS511 Dual Port Adaptor

1. Introduction

The SDS511 dual port adaptor allows two modem-enable (ME) or SDC
devices to share a physical connection with a single CS I/O port on a CR500,
CR510, CR10, CR10X or CR23X Campbell Scientific datalogger. Although
only one communications device can be electronically connected to the CS I/O
port at any one time, the SDS511 connects the CS I/O port to either of the two
devices on a first-in-first-served basis. If one communications device has
access to the CS I/O port and the second device requests a connection, no
connection will be made until the first device has term inated its session. The
SDS511 does NOT allow concurrent communications between the two
communications devices and the CS I/O port.

2. Installation

The SDS511 can be mounted on an enclosure backplane using the backplane
grommet and screw included. Alternatively, the SDS511 can be mounted on
the enclosure wall using double-sided adhesive tape or velcro. The single
flying lead with DB9 connector is connected into the datalogger’s I/O port.
The two DB9 connectors on top of the SDS511 are for connecting up to two
ME or SDC communications devices. With the 2 DB9 connectors facing
upwards and the datalogger communications cable on the left, the top DB9 is
numbered Port 1 and the bottom DB9 is numbered Port 2. Port 1 can be used
for both SDC (CR10KD, COM300, etc) and ME devices. Port 2 can be used
for ME devices only. These include a computer, Palm device, SC932,
COM200, CD294, etc. Up to three SDS511 devices can be cascaded if further
devices are required.

The SDS511 is ideally suited to communications devices which access the CS
I/O port intermittently for short duration. These include the CD294 DataView
Display, CR10KD, notebook computer, Palm device and telephone modems. It
is not suited to communication devices which tie-up the CS I/O port for
extended periods.

1

SDS511 Dual Port Adaptor

3. Hardware

SPECIFICATIONS

Physical

Width: 43 mm
Height: 63 mm
Depth: 33 mm
Weight: 60 g
Supply Requirements: 5 VDC (powered from datalogger)

Power

Current consumption:

Operating: < 5 uA typical

Operating temperature range:

Environmental

0-90% RH Non-condensing

o

-25

C to +55oC

2

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