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APRIL 1998
ME605A-FST
ME605A-MST
Async Fiber Optic Mini Modem
CUSTOMER SUPPORT INFORMATION
Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: info@blackbox.com
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Summary of Contents for Black Box ME605A-FST
- Page 1 Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com...
- Page 2 TRADEMARKS TRADEMARKS The trademarks mentioned in this manual are the sole property of their owners.
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Page 3: Table Of Contents
ASYNC FIBER OPTIC MINI MODEM CONTENTS 1. Specifications ......3 2. Description......5 2.1 General . -
Page 4: Specifications
CHAPTER 1: Specifications 1. Specifications Data Rate — Up to 19.2 Kbps Pulse Width Distortion — Less than 25% Transmission Line — Duplex optical cable Transmission Mode — Asynchronous, full- or half-duplex Transmission Controls — Carrier constantly on or controlled by RTS Optical Output Levels —... - Page 5 ASYNC FIBER OPTIC MINI MODEM Indicators — (1) Power LED Terminal Interface — (1) ITU V.24/EIA RS-232C integral DB25 male or female connector Fiberoptic Interface — (2) ST connectors Temperature — 32 to 122°F (0 to 50°C) Humidity — Up to 90%, noncondensing Power —...
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Page 6: Description
CHAPTER 2: Description 2. Description 2.1 General The Async Fiber Optic Mini Modem is used for local data distribution, connecting full- or half-duplex async computers and terminals. A pair of modems ensures integrity of data transmission over fiberoptic cable at distances up to 2 miles (about 3 km). - Page 7 ASYNC FIBER OPTIC MINI MODEM The Modem comes in a durable plastic case. The Modem incorporates all the advantages of a fiberoptic system, providing: • Lower attenuation than with copper wire. NOTE Attenuation is not related to frequency. • EMI/RFI immunity, saving the cost of expensive and heavy shielding, and complex error checking routines.
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Page 8: Features
CHAPTER 2: Description 2.2 Features • Asynchronous transmission up to 19.2 Kbps. • Transmission range up to 2 miles (about 3 km), regardless of data rate. • Full- or half-duplex operation. • Transfers one control signal end-to-end. • DCE-DTE switch. •... -
Page 9: Application
ASYNC FIBER OPTIC MINI MODEM 2.3 Application A pair of Async Fiber Optic Mini Modems ensures secure data transmission over fiberoptic cable at distances up to 2 miles (about 3 km). Fiberoptic Cable ME605A ME605A 2 miles (3 km) Async Async Terminal Computer... -
Page 10: Installation
CHAPTER 3: Installation 3. Installation Installation of the Modem is simple. Just follow these instructions: 1. To access the switches, insert a slim screwdriver under the nameplate and ease the nameplate off. 2. Strap the modem according to the strapping diagram (Figure 3-1) and the strap selection table (Table 3-1). - Page 11 ASYNC FIBER OPTIC MINI MODEM Table 3-1. Strap/Switch Selection. Strap Identity Function Position Factory Setting CARR Selects Carrier On (ON) constantly ON controlled (CL) controlled by RTS Selects RTS/CTS 2 msec 2 msec delay 15 msec DCE/DTE Selects DCE or DTE Switch 3.
- Page 12 CHAPTER 3: Installation 4. To close the unit, snap the nameplate back into place. Plug the modem directly into the DB25 connector of the terminal/computer port and tighten the screws on each side of the modem connector. 5. Remove the plastic dust caps from the fiberoptic connectors and connect the cable to the unit.
- Page 13 NOTES...
- Page 14 © Copyright 1998. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...
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