Black Box Time-Division Multiplexor Manual
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Black Box Time-Division Multiplexor Manual

Black Box Time-Division Multiplexor Manual

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OCTOBER 1999
MX560A
Time-Division Multiplexor
r
l e x o
u l t i p
o n M
v i s i
e D i
T i m
S Y N C
P W R
CUSTOMER
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
SUPPORT
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
INFORMATION
Mailing address: 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 Time-Division Multiplexor

  • Page 1 Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500) SUPPORT FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 INFORMATION Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com...
  • Page 2 TIME-DIVISION MULTIPLEXOR FEDERAL COMMUNICATIONS COMMISSION CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates, uses, and can radiate radio frequency energy and if not installed and used properly, that is, in strict accordance with the manufacturer’s instructions, may cause interference to radio communication. It has been tested...
  • Page 3 TIME-DIVISION MULTIPLEXOR NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD 1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura.
  • Page 4 TIME-DIVISION MULTIPLEXOR 12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo no sea eliminada. 13. Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados sobre o contra ellos, poniendo particular atención a los contactos y receptáculos donde salen del...
  • Page 5 TIME-DIVISION MULTIPLEXOR TRADEMARKS ® is a registered trademark of Underwriters Laboratories Incorporated. The trademarks mentioned in this manual are the sole property of their owners.

  • Page 6: Table Of Contents

    TIME-DIVISION MULTIPLEXOR Contents 1. Specifications ........... . . 6 2.

  • Page 7: Specifications

    TIME-DIVISION MULTIPLEXOR 1. Specifications Applications—RS-232 sync or async 2 sub-channel multiplexor Capacity—(2) sync or (1) sync and (1) async RS-232 terminals, (1) sync RS-232 modem Data Format—Data coding: synchronous or asynchronous Data Rates—Async 600 bps to 19.2 kbps or sync up to 19.2 kbps with 38.4 kbps composite Data Interface—EIA RS-232C...

  • Page 8: Introduction

    TIME-DIVISION MULTIPLEXOR 2. Introduction The Time-Division Multiplexor is a full-duplex, RS-232, 2-channel, time-division multiplexor with an independent switch-selectable V.14/V.22-compliant asynchronous-to-synchronous interface adapter on sub-channel 1. The composite channel is designed to interface directly with a high-speed synchronous modem via a straight-through cable. The unit operates by sequentially selecting a bit of data from the sub-channel and then multiplexing it onto the composite channel.

  • Page 9: Setup And Installation

    3.1 Installation Set switches to match the required configurations as described in Sections 3.2 through 3.5. The cabling between each device and the Time-Division Multiplexor must be terminated with male connectors. Character length and stop-bit reduction only apply to channel 1 when it is selected for asynchronous operation.

  • Page 10: Board Layout And Jumper Settings

    TIME-DIVISION MULTIPLEXOR 3.7 Board Layout and Jumper Settings 3 4 5 6 Figure 3-1. Board Layout.
  • Page 11 © Copyright 1999. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...

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