Campbell COM200 Bedienungsanleitung

COM200 TELEPHONE MODEM

INSTRUCTION MANUAL

REVISION: 5/01

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Warranty and Assistance

The COM200 TELEPHONE MODEM 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. To obtain a

Returned Materials Authorization (RMA), contact CAMPBELL SCIENTIFIC,

INC., phone (435) 753-2342. 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 West 1800 North

Logan, Utah 84321-1784

CAMPBELL SCIENTIFIC, INC. does not accept collect calls.

Non-warranty products returned for repair should be accompanied by a

purchase order to cover the repair.

815 W. 1800 N.

Logan, UT 84321-1784

USA

Phone (435) 753-2342

FAX (435) 750-9540

www.campbellsci.com

Campbell Scientific Canada Corp.

11564 -149th Street

Edmonton, Alberta T5M 1W7

CANADA

Phone (780) 454-2505

FAX (780) 454-2655

Campbell Scientific Ltd.

Campbell Park

80 Hathern Road

Shepshed, Loughborough

LE12 9GX, U.K.

Phone +44 (0) 1509 601141

FAX +44 (0) 1509 601091

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COM200 Telephone Modem

Table of Contents

1. Introduction................................................................ 1

1.1 General Description ................................................................................. 1

1.2 Computer Requirements........................................................................... 1

2. Specifications............................................................. 1

3. Installation.................................................................. 2

3.1 Connecting to Datalogger ........................................................................ 2

3.2 Connecting to Earth Ground.................................................................... 3

3.3 Telephone to MD9 or Telephone to RF Systems..................................... 3

3.4 Telephone Service.................................................................................... 3

4. Troubleshooting......................................................... 6

5. Modem Settings in Non-Volatile Memory................. 7

Appendixes

A. Modifying the Non-Volatile Memory......................A-1

A.1 Hardware Connection to COM200......................................................A-1

A.2 Remote Communication to the COM200............................................A-1

A.3 Hayes at Command Summary.............................................................A-3

B. CS I/O Connection..................................................B-1

B.1 CS I/O 9 Pin Connection..................................................................... B-1

C. Theory of Operation...............................................C-1

C.1 Theory of Operation............................................................................ C-1

D. FCC Warning to Users of

Class A Computing Devices .............................D-1

E. IC Information.........................................................E-1

F. The 10704 12 V Adaptor..........................................F-1

COM200 Telephone Modem Table of Contents

List of Figures

1 COM200......................................................................................................2

2 CR10X with CR10X Wiring Panel and COM200 Using

Remote Telephone Line ..................................................................................4

3 CR10X with CR10 Wiring Panel and COM200 Using

RJ11C Telephone Jack....................................................................................5

A-1 CR10X with CR10 Wiring Panel and the old COM200 Using

RJ11C Telephone Jack................................................................................A-2

A-2 COM200 to Computer Connection .....................................................A-2

B-1 CS I/O Pin Out.....................................................................................B-1

List of Tables

1 Dataloggers that Require Direct 12 VDC Connection to COM200 ............3

F-1 Dataloggers that Require Direct 12 VDC Connection to COM200..... F-1

COM200 Telephone Modem

1. Introduction

1.1 General Description

The COM200 Modem is a 9600/1200 baud modem employing the Hayes AT

command set. Its primary use is as a remote site modem connected to a CSI

datalogger. The modem is powered and enabled by the battery-powered

datalogger. When not active, the COM200 draws less than 120 µA from the

datalogger’s 12 VDC output.

The COM200 is connected to a CSI datalogger by using a 9-pin subminiature

D connector cable. This is the same 9-pin CS I/O connection common to all

Campbell Scientific products. This is not an RS-232 connection. Appendix B

describes the configuration of this connector.

The COM200 can be used as an originate modem at the datalogger site. To

originate a call to the computer, the datalogger is programmed using

Instruction 97. Instruction 97 is described in detail in the datalogger manual.

1.2 Computer Requirements

A Hayes compatible modem is used at the computer site with Campbell

Scientific computer software to call the datalogger attached to the COM200.

The computer’s modem must be configured to the proper settings using the

modem initialization strings listed in the software programs.

To communicate at 9600 baud, the calling modem’s error correction must be

enabled. If your modem initialization string has an &Q0, you will need to

change it to an &Q5 in order to enable the error correction. You must

continue to use your old string for any communication at 1200 baud.

2. Specifications

•Bell 212A, CCITT V.22, and CCITT V.32 compatible

•Full duplex at 9600 and 1200 baud to datalogger

•V.42 LAPM and MNP2-4 error correction

•Hayes AT command set

•RJ-11C telephone jack

•FCC and IC (formally known as DOC) approval

•Pulse or tone dialing

COM200 Telephone Modem

•Current drain: 120 µA quiescent, 140 mA active

•Direct connection to and powered by CSI dataloggers

•Supply requirements: 12 VDC regulated power supply

•Internally switches 12 VDC external power minimizing current drain

•Logic levels: below 1.5 V inputs a low state and above 3.5 V inputs a

high state. A low voltage level on the TX data input (pin 9) and RX data

output (pin 4) represents a mark

•Operational temperature: -25oC to +50oC

•Size: 5.2” x 1.7” x 3.6” // 13.1 x 4.3 x 9.2 cm

•Weight: 0.75 lbs // 0.34 kg

TIP

RING

GND

CAMPBELL

SCIENTIFIC

INC. COM200 MODEM

MADEIN USA

S/N

1002

Complies with Part 68, FCC rules. FCC Registration No. B9QUSA-31402-MM-T

Ringer Equivalence 0.6B.Required Connector USOC RJ11C. Canadian Load No. 5

This equipment complies with therequirements in Part 15of FCCRulesfor Class A

computingdevice. Operationof this equipment in a residential areamaycause

unacceptable interference to radio and TV reception requiring the operator to take

whatever steps are necessary to correct the interference.

12V

FIGURE 1. COM200

3. Installation

The COM200 is designed to be used with standard analog telephone lines. It

will not work with a digital telephone line. Connection to telephone company-

provided coin service (central office implemented systems) is prohibited.

Connection to party line service is subject to state tariffs.

3.1 Connecting to Datalogger

Connect the cable from the telephone RJ11C jack to the modem as shown in

Figure 3. If the telephone company has not installed surge protection in the

telephone line (no RJ11C jack), one must install surge protection (Model 6362

or 2372-01) and connect the ring and tip terminal blocks as shown in Figure 2.

Current Campbell Scientific dataloggers provide 12 VDC to the COM200 via

the SC12 cable (Figure 2). Older dataloggers do not provide 12 VDC on the

datalogger's CS I/O 9 pin connector. When used with the older dataloggers

listed in Table1, 12 VDC and ground need to be connected via the green power

connector on the side of the COM200 (see Figure 3).

COM200 Telephone Modem

Table 1. Dataloggers that Require Direct

12 VDC Connection to COM200

CR10(X) w/ silver wiring panel

CR10(X) w/ black CR10 wiring panel (P/N 8032)

21X(L)—serial number 13,442 or lower

CR500serial number 1764 or lower

CR7—700X serial number 2778 or lower

BDR301 and BDR320

3.2 Connecting to Earth Ground

Connect the green 14 awg grounding wire (provided with the COM200) to the

grounding terminal (GND) on the COM200 and to the enclosure’s earth

ground connection. If the site does not have a grounded enclosure, then

connect the ground wire directly to an earth ground connection. The

datalogger ground should also be tied to the earth ground.

The modem must be grounded for its transient protection to

work.

3.3 Telephone to MD9 or Telephone to RF Systems

Telephone to MD9 or telephone to radio systems can be utilized for

communicating with multiple dataloggers through one telephone line. Nothing

additional or special is required for the telephone part of the link. See the

MD9 or RF Manuals for complete information on their special requirements.

3.4 Telephone Service

The goal of the telephone company is to provide you with the best service it

can. In order to do this, it may occasionally be necessary for them to make

changes in their equipment, operations, or procedures. If you have any

questions about your telephone line, such as how many pieces of equipment you

can connect to it, the telephone company will provide this information upon

request. If the telephone company requests information concerning the

equipment which you have connected to your telephone line, the FCC

registration number and the ringer equivalence number (REN) of the COM200

are listed on it’s label. Additional technical information from the FCC and IC

on the COM200 is available in Appendix D and E, respectively.

CAUTION

COM200 Telephone Modem

DIFF GGH L

1AGHLAGHLAGE1AGE2G

256

DIFF GGH L

4AGHLAGHLAGE3AGGG

910

51112

P1GP2GC8C7C6C5C4C3C2C1G12V12V

SDM

5V5VG G

SW12V

SW12VCTRL

Logan,Utah

G12V

POWER IN

CR10XWIRINGPANEL

MADEINUSA

WIRING

PANELNO.

EARTH

GROUND

CSI/O

CAMPBELL

SCIENTIFIC

INC. COM2 MODEM

S/N 0002 MADEINUSA

GND

RINGTIP

BurialPhone Cable

Blue =Ring

Blue/White =Tip

To Earth Ground Phone Line

Transient Protector

(Model6362or 2372-01)

SC12Cable

Complies with Part 68,FCCrules. FCCRegistration No. B9QUSA-75378-MM-T

Ringer Equivalence 0.5A. Required Connector USOCRJ11C.

This equipment complies with the requirements in Part 15of FCCRules for Class A

computing device. Operation of this equipment in a residentialarea maycause

unacceptable interference to radio and TVreception requiring the operator to take

whatever steps are necessaryto correct the interference.

FIGURE 2. CR10X with CR10X Wiring Panel and COM200 Using Remote Telephone Line

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