Page 3 - que el aparato eléctrico sea operado.
2 2 X 2 SCSI MATRIX 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 guardadas...
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 2 SCSI MATRIX SWITCH; TRADEMARKS USED IN THIS MANUAL; BLACK BOX and the
4 2 X 2 SCSI MATRIX SWITCH TRADEMARKS USED IN THIS MANUAL BLACK BOX and the logo are registered trademarks of Black Box Corporation. Microsoft, Windows, and Windows NT are registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. UL is a registered tra...
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, and SCSI-3 (also Ultra160 SCSI [“Ultra3 SCSI”] for SC120A-R2), SPI-2 compatible; a...
Page 9 - : 40 MBps for Ultra2 SCSI (narrow transfers; Serial Interface; UL
8 2 X 2 SCSI MATRIX SWITCH Low-Voltage Differential (LVD) SCSI (SC120A-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...
Page 10 - Temperature
9 CHAPTER 1: Specifications Physical Temperature : 32 F to 149°F (0 to 65°C) Humidity : Up to 90% relative humidity, noncondensing Power : 95 to 260 VAC ± 10% (25 watts) Size : 4.5"H x 11.3" W x 9.7"D (11.4 x 28.7 x 24.6 cm) Weight : 5.1 lb. (2.3 kg)
Page 11 - • Daisychain up to 32 switches.
10 2 X 2 SCSI MATRIX SWITCH 2. Introduction 2.1 About the SCSI Switch The 2 x 2 SCSI Matrix Switch is a high-performance electronic crosspoint switchfor use with the SCSI (Small Computer System Interface) bus. This productenables two independent SCSI buses to be selected and electrically connected i...
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 2 x 2 SCSI Matrix Switch features an easy-to-use, menu-driven LCD panel withsoft-touch MENU, ENTER, and directional keys. The LCD is lighted, which allowsfor easy viewing and operation. 2.2.2 F RONT -P ANEL C ONTROLS • Set and configure SCSI ports. • S...
Page 13 - SCSI C; internal SCSI port terminator. Refer to; Chapter 4; for complete instructions on; NOTES
12 2 X 2 SCSI MATRIX SWITCH 2.3.2 G ENERAL H ARDWARE D ESCRIPTION The 2 x 2 SCSI Matrix Switch’s rear panel identifies each of the independent SCSIports. SCSI ports A and B have two daisychained connectors per port and SCSIports 1 and 2 have single connectors for installation of SCSI devices. You ca...
Page 16 - CHAPTER 3: Installation; • This users’ manual; Power Equipment Off
15 CHAPTER 3: Installation 3. Installation 3.1 What’s Included • (1) 2 x 2 SCSI Matrix Switch • (1) AC power cord • (1) 10-ft. (3-m) DB9-male-to-DB9-female RS-232 cable • (1) DB9-male-to-DB25-female RS-232 adapter • (1) SCSI Matrix Switch control software CD-ROM • This users’ manual If anything is m...
Page 17 - describes standard SCSI-interface requirements.; Ethernet LAN Port Cabling
16 2 X 2 SCSI MATRIX SWITCH 3.5 SCSI Interface Cabling Both versions of the 2 x 2 SCSI Matrix Switch have 68-pin high-density 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...
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 SCSI Switch’s rear panel. Move it to the “|”position to turn on the 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.; LCD Display Control Menus
18 2 X 2 SCSI MATRIX 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 selec...
Page 20 - DISPLAY PORTS
19 CHAPTER 4: Operator Controls and Indicators DISPLAY PORTS SET SERIAL PORTS SET SWITCH NUMBER DISPLAY POWER, TEMPERATURE 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 DAISYCHAIN Y * N DISPLAY PORTS| A 1 | A 2...
Page 21 - SET TEMP LIMIT; In the DISPLAY VERSION panel:; BLACK BOX
20 2 X 2 SCSI MATRIX SWITCH SET TEMP LIMIT 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 ...
Page 23 - Configuration and Operation; SCSI Cable Interface Requirements; Refer to Figure 5-4 to select internal termination.
22 2 X 2 SCSI MATRIX SWITCH 5. Configuration and Operation 5.1 SCSI Cable Interface Requirements The 2 x 2 SCSI Matrix Switch can be installed at any point on the SCSI bus. Alwaysuse high-quality cables for optimum computer performance and reliability. The SC121A differential switch contains 68-pin ...
Page 24 - CHAPTER 5: Configuration and Operation
23 CHAPTER 5: Configuration and Operation SC120A-R2 T ERMINATION C ONFIGURATION Internal termination on Logic Component is always on by default and is notsettable at the point of the logic components (see Figure 5-1). To ensure propertermination when configuring the switch termination, always have t...
Page 26 - Selecting External Terminator Power
25 CHAPTER 5: Configuration and Operation 5.3 Selecting Internal Terminator Power On-board SCSI Switch terminators can be powered by internal 5-volt power orexternally from SCSI-bus “terminator power” (TERMPWR). Figure 5-4. Internal terminator-power jumpers. Table 5-1. Jumper settings for internal t...
Page 27 - multiple SCSI Switches.; Signal
26 2 X 2 SCSI MATRIX SWITCH Table 5-2. Jumper settings for external termination. SC120A-R2 SC121A E6-Port A E22-Port 1 E19-Port A E17-Port 1 E5-Port B E21-Port 2 E20-Port B E18-Port 2 NOTE The standard factory default connects internal terminators to internal5 volts. 5.5 Serial-Port Pinout The SCSI ...
Page 28 - MODE COM
27 CHAPTER 5: Configuration and Operation 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...
Page 29 - Command
28 2 X 2 SCSI MATRIX SWITCH Table 5-4. SCSI Switch commands. Command Cmd. Example Example Result or Char. Command String Response Select Port K <cr>//|A1K<cr> A & 1 connected Report Port Status S <cr>//|S<cr> “//|a2b0K” Select Terminator k <cr>//|A1k<cr> A &am...
Page 31 - b. Report SCSI Port Matrix Assignment
30 2 X 2 SCSI MATRIX SWITCH E XPANDED L IST OF C OMMANDS a. Select SCSI Port Matrix: example command: <cr>//|A1B2K<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 withou...
Page 32 - This command has no effect if the LAN port is enabled, which
31 CHAPTER 5: Configuration and Operation 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<aabb1122><cr> For ports A, B, 1, and 2...
Page 33 - xx = ASCII representation of decimal value from 01 through 32; of SCSI Switch’s Firmware:; otherwise
32 2 X 2 SCSI MATRIX SWITCH 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 ...
Page 34 - Windows
33 CHAPTER 5: Configuration and Operation 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...
Page 36 - ) until you reach the SET SERIAL PORTS menu. Move
35 CHAPTER 5: Configuration and Operation 5.11 Network Control of SCSI Switch The 2 x 2 SCSI Matrix Switch may be controlled over a TCP/IP network throughits LAN port. 5.11.1 LAN-P ORT C ONFIGURATION You can remotely control the SCSI Switch through a standard 10-Mbps Ethernetconnection running TCP/I...
Page 37 - Search
36 2 X 2 SCSI MATRIX SWITCH 5.11.2 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 2 x 2 SC...
Page 38 - response from the switch is ignored.
37 CHAPTER 5: Configuration and Operation 5.11.3 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 2 X 2 SCSI MATRIX SWITCH 6. SCSI Technical Information 6.1 SCSI Basics 6.1.1 SCSI-1 The original specification supports data transfers up to 5 MBps on an 8-bit wideparallel data bus. SCSI-1 standards had some incompatibility problems betweenhost adapters and peripheral devices. The need to improv...
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 2 X 2 SCSI MATRIX 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 swapping ...
Page 42 - CHAPTER 6: SCSI Technical Information; Table 6-1. SCSI connector assignments for; Signal Name
41 CHAPTER 6: SCSI Technical Information • DB0 through DB15, P, P1 (DATA BUS) : Sixteen data-bit signals and two parity- bit signals that together form a data bus. DB15 is the most significant bit andhas the highest priority during the Arbitration phase. Bit number, significance,and priority decreas...
Page 44 - Table 6-2. SCSI connector assignments for
43 CHAPTER 6: SCSI Technical Information Table 6-1 (continued). SCSI connector assignments for single-ended (SE) 16-bit SCSI (wide). Signal Name Pin Number Signal Name Pin Number Ground 32 -DB9 66 Ground 33 -DB10 67 Ground 34 -DB11 68 Table 6-2. SCSI connector assignments for differential 16-bit SCS...
Page 46 - Table 6-3. SCSI connector assignments for
45 CHAPTER 6: SCSI Technical Information Table 6-2 (continued). SCSI connector assignments for differential 16-bit SCSI (wide). Signal Name Pin Number Signal Name Pin Number +I/O 29 -I/O 63 Ground 30 Ground 64 +DB(8) 31 -DB(8) 65 +DB(9) 32 -DB(9) 66 +DB(10) 33 -DB(10) 67 +DB(11) 34 -DB(11) 68 Table ...
Page 49 - STA Term
48 2 X 2 SCSI MATRIX SWITCH Table 6-4. SCSI distance/device support. 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 SCSI 3 —...
Page 50 - To access jumper options:
49 CHAPTER 6: SCSI Technical Information To access jumper options: Remove the four screws on the bottom of the unit. Then lift off the cover. Figure 6-1. SCSI Switch component placement. • Internal termination jumper block: E13, E14, E19, E20 on SC120A-R2 or E15, E16, E21, E22 on SC121A (see Section...
Page 51 - do not; Shipping and Packaging; If you need to transport or ship your 2 x 2 SCSI Matrix Switch:
50 2 X 2 SCSI MATRIX SWITCH 7. Troubleshooting 7.1 Calling Black Box If you determine that your 2 x 2 SCSI Matrix 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 histo...
Page 52 - LEGAL INFORMATION; DISCLAIMERS AND NOTICES
51 LEGAL INFORMATION 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 limitationor excl...
Page 53 - © 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.
