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Black Box SW487A-R2 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    6 x 4 Electr onic SCSI Switch AUGUST 2002 SW485A SW487A-R2 CUSTOMER SUPPORT INFORMATION 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 Mailing address: Black Box Corporation , 1000 Park Drive, Lawrence, PA 15055-1018 Web sit[...]

  • Page 2

    1 FCC/IC RFI ST A TEMENTS, EU DECLARA TION OF CONFORMITY 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 int[...]

  • Page 3

    2 6 x 4 ELECTRONIC SCSI SWITCH NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY ST A TEMENT 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. 3. Todas las [...]

  • Page 4

    3 NOM ST A TEMENT 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 s[...]

  • Page 5

    4 6 x 4 ELECTRONIC SCSI SWITCH TRADEMARKS USED IN THIS MANUAL BLACK BOX and the logo are registered trademarks of Black Box Corporation. AppleTalk, EtherTalk, and Macintosh are registered trademarks of Apple Computer, Inc. DEC and LAT are trademarks of Compaq Corporation. Microsoft, Windows, and Windows NT are registered trademarks or trademarks of[...]

  • Page 6

    5 T ABLE OF CONTENTS Contents Chapter Page 1. Specifications ..........................................................................................................7 2. Introduction ..........................................................................................................10 2.1 About the SCSI Switch ..............................[...]

  • Page 7

    6 6 x 4 ELECTRONIC SCSI SWITCH Chapter Page 5. Configuration and Operation (continued) 5.8 Graphical User Interface (GUI) ................................................................32 5.9 Connecting Multiple SCSI Switches ..........................................................33 5.10 Rackmount Installation ..................................[...]

  • Page 8

    7 CHAPTER 1: Specifications 1. Specifications SCSI Interface Maximum Port Switching Delay : 3 ns Maximum Signal Skew : 2 ns Internal Terminator Power : 1 amp Rear-Panel Connectors : 68-pin high-density SCSI-1, SCSI-2, & SCSI-3, SPI-2 compatible (also Ultra160 SCSI [“Ultra3 SCSI”] for SW487A-R2); asynchronous and synchronous compatible; conf[...]

  • Page 9

    8 6 x 4 ELECTRONIC SCSI SWITCH Low-V oltage Differential (L VD) SCSI (SW487A-R2 Only) Maximum Data Rate (8-bit Narrow) : 40 MBps for Ultra2 SCSI (narrow transfers aren’t officially supported in the Ultra160 SCSI standard) Maximum Data Rate (16-bit Wide) : 160 MBps Maximum Port Cable Length : 25 meters (82 ft.) Internal Terminator Impedance : 105 [...]

  • Page 10

    9 CHAPTER 1: Specifications Physical Temperature : 32 to 149°F (0 to 65°C) Humidity : Up to 90% noncondensing Power : 105 to 240 VAC ± 10% (25 watts) Size : 3.5"H x 16.8"W x 12"D (8.9 x 42.7 x 30.5 cm) Weight : 5 lb. (2.3 kg)[...]

  • Page 11

    10 6 x 4 ELECTRONIC SCSI SWITCH 2. Introduction 2.1 About the SCSI Switch The 6 x 4 Electronic SCSI Switch is a high-performance electronic crosspoint switch for use with the SCSI (Small Computer System Interface) bus. It enables groups of four and six independent SCSI buses to be selected and electrically connected in any combination via internal [...]

  • Page 12

    11 CHAPTER 2: Introduction 2.2.1 LCD P ANEL The 6 x 4 Electronic SCSI Switch features an easy-to-use, menu-driven LCD panel with soft-touch MENU, ENTER, and directional keys. The LCD is lighted, which allows for easy viewing and operation. 2.2.2 F RONT -P ANEL C ONTROLS • Set and configure SCSI ports. • Set termination. • Set switch number. ?[...]

  • Page 13

    12 6 x 4 ELECTRONIC SCSI SWITCH 2.3.2 G ENERAL H ARDWARE D ESCRIPTION The 6 x 4 Electronic SCSI Switch’s rear panel identifies each of the independent SCSI ports. SCSI ports A, B, C, and D have two daisychained connectors per port, and SCSI ports 1, 2, 3, 4, 5, and 6 have single connectors for installation of SCSI devices. You can install the SCS[...]

  • Page 14

    13 CHAPTER 2: Introduction You can selectively enable or disable any internal terminator to meet system configurations and requirements. Figure 2-1. Electronic SCSI Switch block diagram. SCSI Switch Ports[...]

  • Page 15

    14 6 x 4 ELECTRONIC SCSI SWITCH Figure 2-2. T ypical switch installation. SCSI Switch (SW487A-R2)[...]

  • Page 16

    15 CHAPTER 3: Installation 3. Installation 3.1 What’ s Included • (1) 6 x 4 Electronic SCSI Switch • (1) AC power cord • (1) 10-ft. (3-m) DB9-male-to-DB9-female RS-232 adapter • (1) DB9-male-to-DB25-female RS-232 adapter • (1) SCSI Switch control software CD-ROM • Rackmount handles and screws • Bottom feet • This users’ manual I[...]

  • Page 17

    16 6 x 4 ELECTRONIC SCSI SWITCH 3.5 SCSI Interface Cabling Both versions of the 6 x 4 Electronic SCSI Switch are supplied with 68-pin shielded high-density SCSI-2 connectors. Single-ended devices can have cable lengths up to 20 ft. (6 m). Differential or low-voltage differential (LVD) devices can be connected with up to 82 ft. (25 m) of cable. Conn[...]

  • Page 18

    17 CHAPTER 4: Operator Controls and Indicators 4. Operator Controls and Indicators 4.1 AC Power Switch The AC power switch is located on the Switch’s rear panel. Move it to the “|” position to turn on the SCSI Switch. NOTE Always turn on the SCSI Switch before powering SCSI devices and computers. This will ensure that devices are found when t[...]

  • Page 19

    18 6 x 4 ELECTRONIC SCSI SWITCH 4.2.2 K EYPAD Use the keypad to select menu and setup parameters for the SCSI Switch. • MENU: Returns to the SCSI Switch setup and configuration menu. • ENTER: Selects the highlighted setup parameter. • UP, DOWN, RIGHT, LEFT Arrows: Scrolls the cursor to enable menu selection. 4.2.3 I NDICATORS The indicators p[...]

  • Page 20

    19 CHAPTER 4: Operator Controls and Indicators 4.3 LCD Display Control Menus SET PORTS SET TERMINATION DISPLAY PORTS DISPLAY PORTS |A 1| A 2| A 3| A 4| A 5| A 6| |B 1| B 2| B 3| B 4| B 5| B 6| |C 1| C 2| C 3| C 4| C 5| C 6| |D 1| D 2| D 3| D 4| D 5| D 6| SET TERMINATION | A |B |C * |D | | 1 |2 |3 * |4 | | 5 * | 6 ||| SET PORTS 123456 A | * |||||| B[...]

  • Page 21

    20 6 x 4 ELECTRONIC SCSI SWITCH SET SERIAL PORTS SET SWITCH NUMBER DISPLAY POWER TEMPERATURE SET TEMP LIMIT SET TEMP LIMIT MAX +40°C CURRENT TEMP +26.0°C DISPLAY POWER TEMP PWR SUPPLY GOOD +25.5°C SET SWITCH NUMBER 01 USE UP/DOWN KEYS SET SERIAL PORTS COM 1 9600 * 19200 COM 2 9600 * 19200 DAISY CHAIN Y * N[...]

  • Page 22

    21 CHAPTER 4: Operator Controls and Indicators DISPLAY BUS ACTIVITY FRONT PANEL LOCK DISPLAY VERSION In the DISPLAY VERSION panel: • “HVD,” “LVD,” or “SE” at bottom left indicates the current SCSI-bus interface mode. • “x” at top right indicates that the serial ports are locked. • “LAN” at bottom right indicates that the L[...]

  • Page 23

    22 6 x 4 ELECTRONIC SCSI SWITCH 4.4 SCSI Switch Port Configuration The 6 x 4 Electronic SCSI Switch has an internal memory device that retains the current configuration and setup information. Switch port, termination, serial port, and control parameters are saved as they are entered on the front panel. 4.5 SCSI Switch Default Configuration The defa[...]

  • Page 24

    23 CHAPTER 5: Configuration and Operation 5. Configuration and Operation 5.1 SCSI Cable Interface Requirements The 6 x 4 Electronic SCSI Switch can be installed at any point on the SCSI bus. Always use high-quality cables for optimum computer performance and reliability. The SW485A differential switch contains 68-pin high-density connectors for up [...]

  • Page 25

    24 6 x 4 ELECTRONIC SCSI SWITCH 5.3 Selecting Internal T erminator Power Onboard SCSI Switch terminators can be powered by internal 5-volt power or externally from SCSI-bus “termination power” (TERMPWR). Figure 5-1. Inter nal ter minator-power jumpers. T able 5-1. Jumper settings for inter nal ter mination. E1 - Port A E3 - Port C E5 - Port 1 E[...]

  • Page 26

    25 CHAPTER 5: Configuration and Operation 5.5 Serial-Port Pinout The 6 x 4 Electronic SCSI Switch has two RS-232 serial ports, using female DB9 connectors, which allow external control of the switch. The connectors are compatible with standard RS-232 modem cables. The serial ports can be configured to operate separate communications ports or as dai[...]

  • Page 27

    26 6 x 4 ELECTRONIC SCSI SWITCH 5.6 LAN/Serial-Port Commands You can use simple ASCII-character commands to control the SCSI Switch through either its LAN port (by opening a socket connection to port 3001) or one of its RS-232 serial ports. For serial control, set your computer’s serial port this way: a. Baud rate: 9600 (the switch’s factory de[...]

  • Page 28

    27 CHAPTER 5: Configuration and Operation T able 5-4. SCSI Switch commands. Command Cmd. Example Example Result or Char . Command String Response Select Port K <cr>//|A1K<cr> Report Port Status S <cr>//|S<cr> “//|a2b0K” Select Terminator k <cr>//|A1k<cr> Report Terminator Status s <cr>//|s<cr> “[...]

  • Page 29

    28 6 x 4 ELECTRONIC SCSI SWITCH T able 5-4 (continued). SCSI Switch commands. Command Cmd. Example Example Result or Chars. Command String Response Enable/Disable Alarm OA <cr>//|OA0<cr> Alarm enabled Set Baud Rate OB <cr>//|OB10<cr> COM2 = 9600 bps Set Serial-Port Mode OC <cr>//|OC0<cr> Daisychain enabled Set Sw[...]

  • Page 30

    29 CHAPTER 5: Configuration and Operation E XPANDED L IST OF C OMMANDS : a. Select SCSI Port Matrix: example command: <cr>//|A3B2D5K<cr> report: none NOTE K - Connects specified ports, but also breaks former connections and maintains proper termination as per SCSI rules. N - Connects specified ports without regard for former connections[...]

  • Page 31

    30 6 x 4 ELECTRONIC SCSI SWITCH i. Report Temperature : example command: <cr>//|t<cr> example report: //|t+19.5 +19.5 = +19.5˚C, +67˚F j. Report SCSI-Bus Performance : example command: <cr>//|P<cr> report format: //|P<aabbccdd112233445566<cr> For ports A through D and 1 through 6 respectively, aa through dd and 11[...]

  • Page 32

    31 CHAPTER 5: Configuration and Operation p. Set Switch ( Device ) Number: example command: <cr>//|ODxx<cr> xx = ASCII representation of decimal value from 01 through 32 report: none q. Set “Lock/Unlock Front Panel ” Password: example command: <cr>//|OPxxxx<cr> xxxx: ASCII 4-digit decimal number from 0000 to 9999 report:[...]

  • Page 33

    32 6 x 4 ELECTRONIC SCSI SWITCH 5.7 ASCII Character Reference for SCSI Switch Box Selection Switch # 12345678 ASCII | } ~ <DEL> ` a b c Switch # 9 10 11 12 13 14 15 16 ASCII d e f g h i j k Switch # 17 18 19 20 21 22 23 24 ASCII l m nopqr s Switch # 25 26 27 28 29 30 31 32 ASCII t u v w xyz{ 5.8 Graphical User Interface (GUI) Your SCSI Switch[...]

  • Page 34

    33 CHAPTER 5: Configuration and Operation 5.9 Connecting Multiple SCSI Switches Up to thirty-two SCSI Switches can be controlled by a single RS-232 serial interface. To operate in this configuration, set the serial ports to operate in daisychained mode. In Figure 5-6, “1” is RS-232 port 1 on each switch and “2” is RS-232 port 2. Figure 5-4.[...]

  • Page 35

    34 6 x 4 ELECTRONIC SCSI SWITCH 3. Make sure that mounting the SCSI Switch in a rack does not cause a hazardous condition because of uneven mechanical loading. 4. Make sure that adding the switch doesn’t overload the rack’s power circuit. 5. Make sure the power connections of the switch and the other equipment in your rack are properly grounded[...]

  • Page 36

    35 CHAPTER 5: Configuration and Operation 5.12 Network Control of SCSI Switch The 6 x 4 Electronic SCSI Matrix Switch may be controlled over a TCP/IP network through its LAN port. 5.12.1 LAN-P ORT C ONFIGURATION You can remotely control the SCSI Switch through a standard 10-Mbps Ethernet connection running TCP/IP. In the SCSI Switch’s factory-def[...]

  • Page 37

    36 6 x 4 ELECTRONIC SCSI SWITCH 5.12.2 A PCONCFG U TILITY The apconcfg.exe utility is used to configure the TCP/IP address. This utility is provided on the included CD-ROM. You can reconfigure the IP address by using the IP Configuration Utility. Run apconcfg.exe from the CD-ROM provided with your 6 x 4 Electronic SCSI Switch. A “Configure Networ[...]

  • Page 38

    37 CHAPTER 5: Configuration and Operation 5.12.3 A PCONCMD U TILITY The apconcmd.exe utility enables the user to set switch parameters through the LAN port. This utility is located on the CD-ROM provided with your SCSI Switch. To change switch settings and termination for an SCSI Switch, run (at a DOS prompt) APCONCMD.EXE from the CD-ROM. Usage: ap[...]

  • Page 39

    38 6 x 4 ELECTRONIC SCSI SWITCH 6. SCSI T echnical Information 6.1 SCSI Basics 6.1.1 SCSI-1 The original specification supports data transfers up to 5 MB per second on an 8-bit wide parallel data bus. SCSI-1 standards had some incompatibility problems between host adapters and peripheral devices. The need to improve compatibility, increase transfer[...]

  • Page 40

    39 CHAPTER 6: SCSI T echnical Information 6.1.5 C OMMON P ROBLEMS The majority of problems encountered with SCSI-bus installations are due to unbalanced or improper impedances on the SCSI-bus transmission cables caused by varying manufacturers’ peripheral devices. SCSI terminators compensate for these inherent impedance mismatches on a SCSI bus w[...]

  • Page 41

    40 6 x 4 ELECTRONIC SCSI SWITCH • If the last device on the chain has two SCSI connectors, attach the cable to one and a terminator to the other. Otherwise you’ll have an open connector that may cause noise on the SCSI chain. • Always turn off the power to your computer and SCSI devices before swapping cables or moving devices around. SCSI ca[...]

  • Page 42

    41 CHAPTER 6: SCSI T echnical Information has the highest priority during the Arbitration phase. Bit number, significance, and priority decrease downward to DB0. A data bit is defined as a one when the signal value is true and as a zero when the signal value is false. Data parity DBP and DBP1 shall be odd. T able 6-1. SCSI connector assignments for[...]

  • Page 43

    42 6 x 4 ELECTRONIC SCSI SWITCH T able 6-1 (continued). SCSI connector assignments for single-ended (SE) 16-bit SCSI (wide). Signal Name Pin Number Signal Name Pin Number GROUND 29 -REQ 63 GROUND 30 -I/O 64 GROUND 31 -DB8 65 GROUND 32 -DB9 66 GROUND 33 -DB10 67 GROUND 34 -DB11 68 T able 6-2. SCSI connector assignments for dif ferential 16-bit SCSI [...]

  • Page 44

    43 CHAPTER 6: SCSI T echnical Information T able 6-2 (continued). SCSI connector assignments for dif ferential 16-bit SCSI (wide). Signal Connector Signal Connector Name Pin Number Name Pin Number +BSY 22 -BSY 56 +ACK 23 -ACK 57 +RST 24 -RST 58 +MSG 25 -MSG 59 +SEL 26 -SEL 60 +C/D 27 -C/D 61 +REQ 28 -REQ 62 +I/O 29 -I/O 63 GROUND 30 GROUND 64 +DB(8[...]

  • Page 45

    44 6 x 4 ELECTRONIC SCSI SWITCH T able 6-3 (continued). SCSI connector assignments for low-voltage dif ferential (L VD) 16-bit SCSI (wide). Signal Connector Signal Connector Name Pin Number Name Pin Number +DB(P) 14 -DB(P) 48 GROUND 15 GROUND 49 DIFFSENS 16 GROUND 50 TERMPWR 17 TERMPWR 51 TERMPWR 18 TERMPWR 52 RESERVED 19 RESERVED 53 GROUND 20 GROU[...]

  • Page 46

    45 CHAPTER 6: SCSI T echnical Information T able 6-4. SCSI speed suppor t map. ST A T erm Maximum Bus Length (M) Maximum Devices SE HVD L VD SCSI-1 6 25 — 8 Fast SCSI 6 25 — 8 Fast Wide SCSI 6 25 — 16 Ultra SCSI 1.5 25 — 8 Ultra SCSI 3 — — 4 Wide Ultra SCSI — 25 — 16 Wide Ultra SCSI 1.5 — — 8 Wide Ultra SCSI 3 — — 4 Ultra2 S[...]

  • Page 47

    46 6 x 4 ELECTRONIC SCSI SWITCH To access jumper options: Remove the six screws on the bottom of the unit. Then lift off the cover. Figure 6-1. SCSI Switch component placement. • Internal termination jumper block: E1 through E8, E29, E30 (see Section 5.3 ).[...]

  • Page 48

    47 7. T roubleshooting 7.1 Calling Black Box If you determine that your 6 x 4 Electronic SCSI Switch is malfunctioning, do not attempt to alter or repair the unit . It contains no user-serviceable parts. Contact Black Box at 724-746-5500. Before you do, make a record of the history of the problem. We will be able to provide more efficient and accur[...]

  • Page 49

    48 6 x 4 ELECTRONIC SCSI SWITCH DISCLAIMERS AND NOTICES The manufacturer specifically disclaims the implied warranties for this product of merchantability and fitness for a particular purpose. Some states and provinces do not allow limitations on how long an implied warranty lasts, so the above limitation or exclusion might not apply to you. In no [...]

  • Page 50

    1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746 © Copyright 2002. Black Box Corporation. All rights reserved.[...]