Black Box IC940A-F User Manual
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Black Box IC940A-F User Manual

V.35/x.21 bi-directional interface converter
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JANUARY 1995
IC940A-F
IC940A-M
V.35/X.21 Bi-Directional
Interface Converter
CUSTOMER
Call our Technical Support Specialists to discuss your application.
For 24-hour technical support: Call (412) 746-5500 or Fax: 1-800-321-0746
SUPPORT
To order: Call (412) 746-5500 8:00 A.M. to 8:00 P.M. EST
INFORMATION
Mail order: Black Box Corporation, P.O. Box 12800, Pittsburgh, PA 15241

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Summary of Contents for Black Box IC940A-F

  • Page 1 Call our Technical Support Specialists to discuss your application. For 24-hour technical support: Call (412) 746-5500 or Fax: 1-800-321-0746 SUPPORT To order: Call (412) 746-5500 8:00 A.M. to 8:00 P.M. EST INFORMATION Mail order: Black Box Corporation, P.O. Box 12800, Pittsburgh, PA 15241...
  • Page 2 V.35/X.21 BI-DIRECTIONAL INTERFACE CONVERTER Contents Chapter Page 1. Specifications..................3 2. Introduction..................4 3. Installation ..................5...

  • Page 3: Specifications

    2.8"D (2.5 x 4.6 x 7.1 cm) —Up to 90%, Humidity noncondensing —0.9 lb. (0.4 kg) Weight — Interface Connections V.35: IC940A-M M/34 male (configured as DCE), IC940A-F M/34 female (configured as DCE); X.21: IC940A-M, IC940A-F: DB15 male (configured as DTE)
  • Page 4 V.35 device to those of an X.21 device. Two models are available for connecting a V.35 DTE to an X.21 DCE: • IC940A-M: Male V.35 (DCE) to Male DB15 (DTE) • IC940A-F: Female V.35 (DCE) to Male DB15 (DTE)
  • Page 5 V.35/X.21 BI-DIRECTIONAL INTERFACE CONVERTER 3. Installation Choose a location so that you can There are no internal jumpers or connect the devices directly to the switch setting to configure. The converter. The units are designed converter is transparent to baud to operate over short distances.
  • Page 6 V.35/X.21 BI-DIRECTIONAL INTERFACE CONVERTER IC940A V.35 DCE/X.21 DTE Schematic Diagram V.35 (DCE) X.21 (DTE) FEMALE/MALE MALE Signal GND Signal GND TC-a TC-b RC-a RC-b TD-a TD-b RD-a RD-b Fig. 3-2. Pins Supported.
  • Page 7 © Copyright 1995. Black Box Corporation. All rights reserved. P.O. Box 12800 • Pittsburgh, PA 15241 • (412) 746-5500 • Fax (412) 746-0746...

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