Page 3 - que el aparato eléctrico sea operado.
2 6 x 4 ELECTRONIC SCSI SWITCH 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 guard...
Page 4 - NOM STATEMENT
3 NOM STATEMENT 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 aten...
Page 5 - x 4 ELECTRONIC SCSI SWITCH; TRADEMARKS USED IN THIS MANUAL; BLACK BOX and the
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 Win...
Page 6 - TABLE OF CONTENTS; Contents; Chapter
5 TABLE OF CONTENTS Contents Chapter Page 1. Specifications ..........................................................................................................7 2. Introduction ..........................................................................................................10 2.1 Abo...
Page 8 - Active Internal Bus Termination
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);...
Page 9 - : 40 MBps for Ultra2 SCSI (narrow transfers; Serial Interface; UL
8 6 x 4 ELECTRONIC SCSI SWITCH Low-Voltage Differential (LVD) 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...
Page 10 - Temperature
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 - controlled by one serial port.
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 crosspointswitch for use with the SCSI (Small Computer System Interface) bus. It enablesgroups of four and six independent SCSI buses to be selected and electri...
Page 12 - CHAPTER 2: Introduction; • Set and configure SCSI ports.; Technical Description; SCSI S; NOTE
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 panelwith soft-touch MENU, ENTER, and directional keys. The LCD is lighted, whichallows for easy viewing and operation. 2.2.2 F RONT -P ANEL C ONTROLS • Set and configure SCSI ports....
Page 13 - SCSI C; NOTES; Chapter 4; for complete instructions on
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 independentSCSI 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 install...
Page 14 - configurations and requirements.
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 16 - CHAPTER 3: Installation; • Rackmount handles and screws; Power Equipment Off
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 • Botto...
Page 17 - describes standard SCSI-cable interface; Ethernet LAN Port Cabling
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 shieldedhigh-density SCSI-2 connectors. Single-ended devices can have cable lengths up to20 ft. (6 m). Differential or low-voltage differential (LVD) devices can beco...
Page 18 - CHAPTER 4: Operator Controls and Indicators; Operator Controls and; The LCD display shows the selection parameters available.; SET PORTS
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 andcomputers. This...
Page 19 - • MENU: Returns to the SCSI Switch setup and configuration menu.; The indicators provide SCSI Switch status information.
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 s...
Page 21 - SET SERIAL PORTS
20 6 x 4 ELECTRONIC SCSI SWITCH SET SERIAL PORTS SET SWITCH NUMBER DISPLAY POWER TEMPERATURE SET TEMP LIMIT SET TEMP LIMITMAX +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 ...
Page 22 - DISPLAY BUS ACTIVITY; In the DISPLAY VERSION panel:; BLACK BOX
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 ri...
Page 24 - CHAPTER 5: Configuration and Operation; Configuration and Operation; SCSI Cable Interface Requirements; Refer to Figure 5-1 to select internal termination.
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 switc...
Page 25 - Selecting External Terminator Power
24 6 x 4 ELECTRONIC SCSI SWITCH 5.3 Selecting Internal Terminator Power Onboard SCSI Switch terminators can be powered by internal 5-volt power orexternally from SCSI-bus “termination power” (TERMPWR). Figure 5-1. Internal terminator-power jumpers. Table 5-1. Jumper settings for internal termination...
Page 26 - Signal
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 DB9connectors, which allow external control of the switch. The connectors arecompatible with standard RS-232 modem cables. The serial ports can beconfigured to ...
Page 27 - MODE COM
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 througheither its LAN port (by opening a socket connection to port 3001) or one of itsRS-232 serial ports. For serial control, set your computer’s serial port this way:...
Page 28 - Command
27 CHAPTER 5: Configuration and Operation Table 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 Term...
Page 30 - b. Report SCSI Port Matrix Assignment
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 spec...
Page 31 - This command has no effect if the LAN port is enabled, which
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 ...
Page 32 - xx = ASCII representation of decimal value from 01 through 32; of SCSI Switch’s Firmware:; otherwise
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-...
Page 33 - Windows
32 6 x 4 ELECTRONIC SCSI SWITCH 5.7 ASCII Character Reference for SCSI Switch Box Selection Switch # 1 2 3 4 5 6 7 8 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 n o p q r s Switch # 25 26 27 28 29 30 31 32 ASCII t u...
Page 36 - ) until you reach the SET SERIAL PORTS menu. Move
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 networkthrough its LAN port. 5.12.1 LAN-P ORT C ONFIGURATION You can remotely control the SCSI Switch through a standard 10-Mbps Ethernetconnection ru...
Page 37 - Search
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 isprovided on the included CD-ROM. You can reconfigure the IP address by usingthe IP Configuration Utility. Run apconcfg.exe from the CD-ROM provided withyour 6 x ...
Page 38 - response from the switch is ignored.
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 theLAN 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...
Page 39 - SCSI Technical Information
38 6 x 4 ELECTRONIC SCSI SWITCH 6. SCSI Technical Information 6.1 SCSI Basics 6.1.1 SCSI-1 The original specification supports data transfers up to 5 MB per second on an8-bit wide parallel data bus. SCSI-1 standards had some incompatibility problemsbetween host adapters and peripheral devices. The n...
Page 40 - Keep your SCSI chain short.
39 CHAPTER 6: SCSI Technical Information 6.1.5 C OMMON P ROBLEMS The majority of problems encountered with SCSI-bus installations are due tounbalanced or improper impedances on the SCSI-bus transmission cables causedby varying manufacturers’ peripheral devices. SCSI terminators compensate forthese i...
Page 41 - Turn on your SCSI devices before you turn on the computer.; SCSI Interface Signal Descriptions
40 6 x 4 ELECTRONIC SCSI SWITCH • If the last device on the chain has two SCSI connectors, attach the cable to one and aterminator 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 swappi...
Page 42 - CHAPTER 6: SCSI Technical Information; Signal Name
41 CHAPTER 6: SCSI Technical 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 whenthe signal value is true and as a zero when the signal value is false. Data parityDBP and DBP1 shall be o...
Page 43 - Table 6-2. SCSI connector assignments for
42 6 x 4 ELECTRONIC SCSI SWITCH Table 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 Table 6-2. SCSI conn...
Page 44 - Table 6-3. SCSI connector assignments for
43 CHAPTER 6: SCSI Technical Information Table 6-2 (continued). SCSI connector assignments for differential 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 -R...
Page 46 - STA Term
45 CHAPTER 6: SCSI Technical Information Table 6-4. SCSI speed support map. STA Term Maximum Bus Length (M) Maximum Devices SE HVD LVD 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 S...
Page 47 - To access jumper options:
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 - Calling Black Box; do not; Shipping and Packaging; If you need to transport or ship your 6 x 4 Electronic SCSI Switch:
47 7. Troubleshooting 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...
Page 49 - DISCLAIMERS AND NOTICES
48 6 x 4 ELECTRONIC SCSI SWITCH DISCLAIMERS AND NOTICES The manufacturer specifically disclaims the implied warranties for this product ofmerchantability and fitness for a particular purpose. Some states and provinces donot allow limitations on how long an implied warranty lasts, so the above limita...
Page 50 - © Copyright 2002. Black Box Corporation. All rights reserved.
1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746 © Copyright 2002. Black Box Corporation. All rights reserved.
