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Black Box SW590A-R2 manual

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Table of contents for the manual

  • 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 CUSTOMER SUPPORT INFORMATION JUL Y 199[...]

  • Page 2

    FEDERAL COMMUNICA TIONS COMMISSION AND INDUSTR Y CANADA RADIO FREQUENCY INTERFERENCE ST A TEMENTS 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 and f[...]

  • Page 3

    Chapter Page 1 Specifications .............................................................................................................4 2 Introduction ...............................................................................................................5 3 Installation ..................................................................[...]

  • Page 4

    Interface — RS-232 asynchronous (each port individually selectable for DTE or DCE) Connectors — Switch: (5) DB25S female; Switch with Expansion Board: (9) DB25S female Pins Suppor ted — 1-8, 20, 22 Speed — 110 to 19,200 bps (selectable by port) Memor y — 8K buffer Enclosure — Steel Operating T emperature — 32°F to 113°F (0° to 45°[...]

  • Page 5

    The Code Operated Switch II (COS II) makes code-operated switching possible for diverse combinations of serial devices. As it switches, the COS II also reconciles differences in word size, speed, flow control, and parity for up to four devices. An Expansion Board, available separately , doubles the maximum number of devices, to eight. Configuration[...]

  • Page 6

    3.1. Introduction In addition to this manual, your Switch package should contain one standard switch unit and a wallmounted power supply . After you’ve unpacked the Switch, take a few minutes to look through this manual. Y ou will need a screwdriver large enough to remove the case screws, and a small screwdriver or other edged tool for setting DI[...]

  • Page 7

    The board layout for the Four -Port Expansion Board is shown on this page (Fig. 2). If you have ordered one, check your Board to make sure it matches. NOTE: Every time you change the DIP switch settings, you must press the reset button located on the front panel of the switch, or unplug the power supply. The COS-II will not process any data during [...]

  • Page 8

    In addition, there are some system characteristics that are set with the eighth DIP switch of the individual port switch banks. Sections 3.6 and 3.7 explain these functions in depth. 3.4 Bank Assignments The individual port switch banks are assigned as follows: Bank Label Port SWA Master Device Port SWB 0 SWC 1 SWD 2 SWE 3 The Four -Port Expansion [...]

  • Page 9

    Automatic Timeout The COS II times the inter vals between the reception of each character and the next. Y ou may instruct it to return to an unlinked state after inter vals of 2.5, 5, or 10 minutes, or you may disable this automatic timeout feature. SWF 5 and SWF 6 control this feature. control lead (DTR or CTS) will be dropped to prevent data loss[...]

  • Page 10

    3.6.2 S ETTING THE A RMING C HARACTER WITH SWG Switch Bank SWG supplies a portion of the control-code sequence, the sequence that activates the Switch. The arming character , the ASCII code that alerts the COS-II to an upcoming switch action, is set with SWG. The settings are given in the chart below . For a more detailed explanation of control cod[...]

  • Page 11

    ARMING CHARACTER SWITCH POSITIONS LSB MSB ASCII CTRL HEX DECIMAL 1 2 3 4 5 6 7 8 ’ 27 39 ON ON ON OFF OFF ON OFF OFF ( 28 40 OFF OFF OFF ON OFF ON OFF OFF ) 29 41 ON OFF OFF ON OFF ON OFF OFF * 2A 42 OFF ON OFF ON OFF ON OFF OFF + 2B 43 ON ON OFF ON OFF ON OFF OFF , 2C 44 OFF OFF ON ON OFF ON OFF OFF - 2D 45 ON OFF ON ON OFF ON OFF OFF . 2E 46 OF[...]

  • Page 12

    CODE OPERA TED SWITCH II 12 ARMING CHARACTER SWITCH POSITIONS LSB MSB ASCII CTRL HEX DECIMAL 1 2 3 4 5 6 7 8 S 53 83 ON ON OFF OFF ON OFF ON OFF T 54 84 OFF OFF ON OFF ON OFF ON OFF U 55 85 ON OFF ON OFF ON OFF ON OFF V 56 86 OFF ON ON OFF ON OFF ON OFF W 57 87 ON ON ON OFF ON OFF ON OFF X 58 88 OFF OFF OFF ON ON OFF ON OFF Y 59 89 ON OFF OFF ON ON[...]

  • Page 13

    ARMING CHARACTER SWITCH POSITIONS LSB MSB ASCII CTRL HEX DECIMAL 1 2 3 4 5 6 7 8 80 128 OFF OFF OFF OFF OFF OFF OFF ON 81 129 ON OFF OFF OFF OFF OFF OFF ON 82 130 OFF ON OFF OFF OFF OFF OFF ON 83 131 ON ON OFF OFF OFF OFF OFF ON 84 132 OFF OFF ON OFF OFF OFF OFF ON 85 133 ON OFF ON OFF OFF OFF OFF ON 86 134 OFF ON ON OFF OFF OFF OFF ON 87 135 ON ON[...]

  • Page 14

    ARMING CHARACTER SWITCH POSITIONS LSB MSB ASCII CTRL HEX DECIMAL 1 2 3 4 5 6 7 8 AE 174 OFF ON ON ON OFF ON OFF ON AF 175 ON ON ON ON OFF ON OFF ON B0 176 OFF OFF OFF OFF ON ON OFF ON B1 177 ON OFF OFF OFF ON ON OFF ON B2 178 OFF ON OFF OFF ON ON OFF ON B3 179 ON ON OFF OFF ON ON OFF ON B4 180 OFF OFF ON OFF ON ON OFF ON B5 181 ON OFF ON OFF ON ON [...]

  • Page 15

    ARMING CHARACTER SWITCH POSITIONS LSB MSB ASCII CTRL HEX DECIMAL 1 2 3 4 5 6 7 8 DF 223 ON ON ON ON ON OFF ON ON E0 224 OFF OFF OFF OFF OFF ON ON ON E1 225 ON OFF OFF OFF OFF ON ON ON E2 226 OFF ON OFF OFF OFF ON ON ON E3 227 ON ON OFF OFF OFF ON ON ON E4 228 OFF OFF ON OFF OFF ON ON ON E5 229 ON OFF ON OFF OFF ON ON ON E6 230 OFF ON ON OFF OFF ON [...]

  • Page 16

    T o Set SWB 8 Pass breaks ON Ignore breaks OFF Lead Pass-Through This function allows the COS II either to pass hardware-handshake leads to connected devices, or to block them. If they are blocked, the leads will still be used to regulate the 8K internal buffer of the Switch. The following table shows the behavior of the COS II for different combin[...]

  • Page 17

    3.9. Connecting and Powering Up the COS-II Once you have configured the internal switches and jumpers, you can connect your devices and the wallmounted power jack to the COS-II. Before you begin, you might wish to check the settings of all the DIP switches again, to make sure you have set them correctly . T o prepare the COS-II: 1. Make sure that S[...]

  • Page 18

    4.1. Introduction The primary action of the Switch consists of detecting and responding to control-code sequences. As it switches to a particular port, the COS-II establishes a link between the master and the slave device. After the COS-II has switched, it can lock the link out, that is, it can ignore all requests by other ports until the link is b[...]

  • Page 19

    4.6. Indicators The front panel of the Switch contains 10 LEDs. The Power LED, at the extreme right, will glow steadily when power is on. The Lockout LED, a green LED at the extreme left, will light when the unit is in lockout. Each of the eight port LEDs, numbered 0 through 7, will respond to the action of the COS II. When the master port is switc[...]

  • Page 20

    CODE OPERA TED SWITCH II After you have hit a key , the screen will change to: Serial Por t T est The Serial Port T est is a loopback test that checks whether data is being correctly transmitted and received on any port. The test also checks, using DTR/CTS/RI or R TS/DCD, whether the box can loop back control leads correctly . T o use this test, yo[...]

  • Page 21

    Individual Port Switch Bank Settings Switch Position Setting Option 1 2 3 4 5 6 7 Speed 110 bps ON ON ON 300 bps OFF ON ON 600 bps ON OFF ON 1200 bps OFF OFF ON 2400 bps ON ON OFF 4800 bps OFF ON OFF 9600 bps ON OFF OFF 19200 bps OFF OFF OFF Parity none OFF OFF even OFF ON odd ON OFF Word Size 7 bits per word OFF 8 bits per word ON Flow Control Har[...]

  • Page 22

    System Switch Options A vailable through Position 8 Switch Option SWA 8 SWB 8 SWC 8 SWD 8 SWE 8 Self-test ON Normal operation OFF Pass breaks ON Ignore breaks OFF Lead pass-through ON Normal operation OFF Graphics Mode Pause In Master Data ON ON Slave Data OFF ON Master or slave data ON OFF Text Mode OFF OFF 22 CODE OPERA TED SWITCH II[...]

  • Page 23

    1000 P ark Drive • Lawrence, P A 15055-1018 • 724-746-5500 • F ax 724-746-0746 ©Copyright 1999. Black Box Corporation. All rights reserved.[...]