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Appendices

Appendix A. A Communications Troubleshooting Tool-Box

 

2 RS-232 MINI LED Testers


2 Male to Male DB-25 Gender Benders


2 Female to Female DB-25 Gender Benders


2 DB-9 Male to DB-25 Female adapters


2 DB-9 Female to Db-25 Male adapters


2 DB-25 Null Modem adapters


2 6 foot DB 25 Male to DB 25 Female serial cables


1 6 foot DB-9 Female to DB-25 Male serial cables

1 6 foot Null Modem Cable (a.k.a. Serial File Transfer Cable)

    1. Spare Modems of each type you must support
    1. Breakout/Wiring Boxes

 

 

Appendix B. Modem Vendor Web Sites

 

 

3-Com (US Robotics, Megahertz) http://www.3com.com/

Boca Research http://www.bocaresearch.com/

Cardinal Technologies http://www.cardtech.com/

Diamond (Supra ) http://www.diamondmm.com/

Hayes http://www.hayes.com/

Zoom Telephonics http://www.zoomtel.com/

 

Appendix C. RS-232 and Telecom Accessories Manufacturers, and Distributors

 

Teltone Corporation
22121-20th Avenue SE
Bothell, WA 98021-4408

Manufacturer of Telephone Line Simulators and other telecom test equipment.

Phone: 1-800-426-3926 or 425-487-1515

Fax: 425-487-2288

E-mail: info@teltone.com

Home Page: www.teltone.com

Mike Sandman Unique Telecom Products

Wholesalers and Direct Marketer of both printed and online web catalogs, including loop

current testing and limiting boxes, and a variety of other great telecom related tools and

accessories.

Phone: 1-630-980-7710

E-mail: mike@sandman.com

Star-Tech Computer Products

Wholesaler and OEM producer of computer accessories, everything from PC furniture and mouse-pads to RS-232 cables and communications accessories, including RS-232 LED mini-tester boxes and other similar products.

Phone: 1-800-265-1844 or 1-519-455-9675

Fax: 1-519-455-9425

Web: http://www.startechcomp.com/

E-mail: sales@startechcomp.com

B&B Electronics

RS-232 and RS-485 adapters, convertors, and other test devices.

707 Dayton Road

P.O. Box 1040

Ottawa, IL 61350
Phone: (815) 433-5100

Fax: (815) 434-7094

Web: http://www.bb-elec.com/

 


Appendix D. Miscellaneous Information Sources on the Internet

 

PC Webopaedia Article on Modems http://www.pcwebopaedia.com/modem.htm

The CTS Communications FAQ http://comminfo.com/pages/ctsfaq01.htm

RS-232 and RS-485 Information http://www.sangoma.com/signal.html

Curt’s High Speed Modem Page http://www.teleport.com/~curt/modems.html

 

For more, see the Modems section on Yahoo at

http://www.yahoo.com/Computers_and_Internet/Hardware/Peripherals/Modems/

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