Black Box S-COS/2 Manual
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Black Box S-COS/2 Manual

Black Box S-COS/2 Manual

Serial code operated switch
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© Copyright 1993. Black Box Corporation. All rights reserved.
1000 Park Drive
•
Lawrence, PA 15055-1018
•
724-746-5500
•
Fax 724-746-0746

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Summary of Contents for Black Box S-COS/2

  • Page 1 © Copyright 1993. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...
  • Page 2 Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500) FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 SUPPORT Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 INFORMATION Web site: www.blackbox.com • E-mail: info@blackbox.com...
  • Page 4 SERIAL CODE OPERATED SWITCH S-COS/2 FEDERAL COMMUNICATIONS COMMISSION INDUSTRY CANADA 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.
  • Page 5 SERIAL CODE OPERATED SWITCH S-COS/2 INSTRUCCIONES DE SEGURIDAD (Normas Oficiales Mexicanas Electrical Safety Statement) 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 6: Table Of Contents

    SERIAL CODE OPERATED SWITCH S-COS/2 Contents Chapter Page 1. Specifications..............................4 2. Introduction ..............................5 3. Installation..............................6 3.1 General............................6 3.2 Switch Settings ..........................6 3.3 Jumpers ............................11 3.4 Installation Procedure.........................11 4. Operation ..............................12 4.1 Modes of Operation ........................12 4.2 Manual Override .........................13 4.3 Switch SW3 Arming Code Settings .....................13...

  • Page 7: Specifications

    Received-line signal detector, switch-selected to be pulled up or not to be pulled up DET/DCE switch selectable for each channel Pins 6 and 20 (control in and control out) are switched by the S-COS/2. Pin 4 or 8 can be selected for control in or control out.

  • Page 8: Introduction

    The ports remain locked out until either the master port or the selected subordinate port sends an arming character. Reception of the arming character causes the S-COS/2 to break all switched connections—leads 2 (TD), 3 (RD), control in, and control out—between the master and subordinate port.

  • Page 9: Installation

    SERIAL CODE OPERATED SWITCH S-COS/2 3. Installation 3.1 General Installation of the Code Operated Switch is a matter of connecting the MODEM and TERMINAL connectors to the proper communications equipment using the RS-232 connectors. All ports have DB25 female connectors normally configured as DCE. With internal DIP switches, you can individually reconfigure each port for DTE operation if necessary.
  • Page 10 SERIAL CODE OPERATED SWITCH S-COS/2 S1 — W ORMAT The parameters set by this switch will be the same for the entire network. Switch Position Status Description Open Even Parity Closed Odd Parity Position 2 Position 3 Closed Closed 5-Bit Word Length...
  • Page 11 SERIAL CODE OPERATED SWITCH S-COS/2 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8...
  • Page 12 HARACTER The S-COS/2 is set at the factory for an EOT (04) arming code. If you need to change the code, refer to Section 4.3 for a listing of codes and the appropriate switch settings. The arming character must never...
  • Page 13 S7 — M IMEOUT This 4-position DIP selects the amount of timeout delay when the S-COS/2 is in Mode operation (see Section 4.1 on page 11). Close only one position of this switch at a time. When the value for delay time is expressed in hex words, you can convert the figure to real time by using the following equation: ((1/Y) ×...

  • Page 14: Jumpers

    J1 — B REAKS When jumper J1 is installed, the S-COS/2 will pass breaks. If jumper J1 is not installed, the S-COS/2 will not pass breaks. The S-COS/2 generates a break signal as follows: When the master or slave port UART receives a break, the UART raises pin 14 to a logical 1 (this represents a framing error to the UART).

  • Page 15: Operation

    When the S-COS/2 receives an arming character, it enters the Switch Time mode. In Switch Time mode, the S-COS/2 can switch port A or port B to the master port. The master port must send hex code 31H to connect to port A or hex code 32H to connect to port B.

  • Page 16: Manual Override

    Switching channel ports requires a period of time (selected by Switch S7) to elapse after transmission has stopped before the S-COS/2 can be set to switch ports. To switch ports after the timeout period, the master port must send the arming character immediately followed by the channel port letter.
  • Page 17 SERIAL CODE OPERATED SWITCH S-COS/2 ARMING CHARACTER SWITCH POSITIONS ASCII CTRL DECIMAL SPACE " &...
  • Page 18 SERIAL CODE OPERATED SWITCH S-COS/2 ARMING CHARACTER SWITCH POSITIONS ASCII CTRL DECIMAL < >...
  • Page 19 SERIAL CODE OPERATED SWITCH S-COS/2 ARMING CHARACTER SWITCH POSITIONS ASCII CTRL DECIMAL <-...
  • Page 20 SERIAL CODE OPERATED SWITCH S-COS/2 ARMING CHARACTER SWITCH POSITIONS ASCII CTRL DECIMAL...

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