Black Box SW847A Manuale utente
1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746
© Copyright 1995. Black Box Corporation. All rights reserved.
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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
DECEMBER 1995
SW847A
SW848A
SCSI Switch (for AS/400®)
SCSI
Switch
(for AS/400 )
®
HOST A
ACTIVE
SWITCH
READY
HOST B
ACTIVE
HOST A
ACTIVE
SWITCH
READY
HOST B
ACTIVE
HOST A
AUTO
HOST B
HOST A
AUTO
HOST B
3
INSTRUCCIONES DE SEGURIDAD
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 para
referencia futura.
3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de
operación deben ser respetadas.
4. Todas las instrucciones de operación y uso deben ser seguidas.
5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo,
cerca de la tina de baño, lavabo, sótano mojado o cerca de una alberca,
etc..
6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales
que sean recomendados por el fabricante.
7. El aparato eléctrico debe ser montado a la pared o al techo sólo como
sea recomendado por el fabricante.
8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más
allá a lo descrito en las instrucciones de operación. Todo otro servicio
deberá ser referido a personal de servicio calificado.
9. El aparato eléctrico debe ser situado de tal manera que su posición no
interfiera su uso. La colocación del aparato eléctrico sobre una cama,
sofá, alfombra o superficie similar puede bloquea la ventilación, no se
debe colocar en libreros o gabinetes que impidan el flujo de aire por los
orificios de ventilación.
10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de
calor como radiadores, registros de calor, estufas u otros aparatos
(incluyendo amplificadores) que producen calor.
4
INSTRUCCIONES DE SEGURIDAD
11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo
del tipo descrito en el instructivo de operación, o como se indique en el
aparato.
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 salen
del aparato.
14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las
recomendaciones del fabricante.
15. En caso de existir, una antena externa deberá ser localizada lejos de las
lineas de energia.
16. El cable de corriente deberá ser desconectado del cuando el equipo no
sea usado por un largo periodo de tiempo.
17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean
derramados sobre la cubierta u orificios de ventilación.
18. Servicio por personal calificado deberá ser provisto cuando:
A: El cable de poder o el contacto ha sido dañado; u
B: Objectos han caído o líquido ha sido derramado dentro del
aparato; o
C: El aparato ha sido expuesto a la lluvia; o
D: El aparato parece no operar normalmente o muestra un cambio en su
desempeño; o
E: El aparato ha sido tirado o su cubierta ha sido dañada.
5
SCSI SWITCH (FOR AS/400®)
TRADEMARKS
IBM®and AS/400®are registered trademarks of International Business
Machines Corporation.
All applied-for and registered trademarks are the property of their
respective owners.
6
SCSI SWITCH (FOR AS/400®)
CONTENTS
1. Specifications ..................................................................................7
2. Introduction....................................................................................8
3. Installing and Configuring the SCSI Switch (for AS/400®).........9
3.1 Subsystem Requirements........................................................9
3.2 Installing the SCSI Switch into the Rack ...............................10
4. Configuring and Operating the SCSI Switch (for AS/400®.........17
4.1 Configuring the SCSI Switch to the AS/400 .........................17
4.2 Overview of the Front Panel...................................................21
4.3 SCSI Switch Microcode Updates............................................26
5. Troubleshooting .............................................................................29
Appendix: Monitor Guide.................................................................30
7
SCSI SWITCH (FOR AS/400®)
1. Specifications
Compatibility—IPL 6790E and IBM®3490E-EXX Tape Drives
AS/400 Attachment—6501 IOP
Software Requirements—OS/400 Version 2, Release 3 or higher
Mean Time Between Failure (MTBF)—150,000 hr.
Operating Environment—Temperature: 60° to 90° F (15.5° to 32° C);
Relative Humidity: 20 to 80%
Cables Required—SW847A: (1) for connection to tape device (included
with your tape device), (2) for connection to host CPUs (included with the
SCSI Switch); SW848A: (2) for connection to tape device (included with
your tape devices), (4) for connection to host CPUs (included with the
SCSI Switch)
Power—110 to 240 VAC, auto-sensing, 0.16 KVA
Size—Both SW847A and SW848A: 3.3"H x 19"W x 26.3"D (8.3 x 48 x 67 cm)
Weight—Both SW847A and SW848A: 21 lb. (9.5 kg)
8
SCSI SWITCH (FOR AS/400®)
2. Introduction
The SCSI Switch (for AS/400®) is a dynamic fast/wide switching device that
provides intelligent unattended switching of IPL 6790E and IBM 3490E-EXX
1/2" cartridge tape drives between AS/400 hosts.
The SCSI Switch features include:
• Unattended switching support for up to two tape drives and four host
systems
• 100% compatibility with OS/400
• Compact rackmount design
• Industry’s only dynamic switching device for Fast/Wide SCSI tape drives
Cost-Effective CPU Sharing
Through OS/400 commands, the SCSI Switch provides your site with
complete unattended tape-drive sharing between multiple AS/400 hosts.
The SCSI Switch eliminates the added purchase and maintenance costs
needed to support separate 36-track 1/2" cartridge tape drives for each CPU.
Superior Protection
The SCSI Switch features a slim, 2 EIA-unit rackmount design with a control
panel that monitors the host CPU and current backup status. A manual
override switch protects your equipment if your host CPU fails.
Complete Flexibility
The SCSI Switch connects to the AS/400 9404 and 9406 (Models D, E, F), and
all Advanced Series 200 and 300 models. The SCSI Switch is the industry’s
only unattended tape-drive switching device that attaches to IBM’s AS/400
Fast/Wide SCSI 6501 IOP.
9
SCSI SWITCH (FOR AS/400®)
3. Installing and Configuring
the SCSI Switch
3.1 Subsystem Requirements
Before installing the SCSI Switch (for AS/400®) verify that:
• All environmental, power and space requirements have been met.
• All host system interface requirements have been provided. These
requirements can be found in this section. Look under the appropriate
“Host System Requirements” for the system in question.
Environmental Requirements
Temperature—Operating: 60° to 90° F (15.5° to 32° C),
Non-operating: -40° to 122° F (-40° to 50° C)
Humidity (noncondensing)—Operating: 20 to 80%,
Non-operating: 10 to 90%
Power Requirements
The SCSI Switch (for AS/400®) requires a dedicated power receptacle
with an isolated earth ground. Power may also be provided via the
IBM 9039 rack using an accessory cord.
For 120V outlets at 120 VAC, a NEMA 5-15R receptacle is required.
For 220V outlets at 220 VAC, a NEMA 6-15R receptacle is required.
CAUTION
Water pipes or building conduits are not adequate earth-ground
substitutes.
Space Requirements
The SCSI Switch (for AS/400®) can be rack-mounted. It requires
two EIA locations in a 9309 rack.
10
SCSI SWITCH (FOR AS/400®)
Compatible Racks for the SCSI Switch
The SCSI Switch, which is in a self-contained module, should be mounted in
the same rack that your tape drive is mounted in. Usually, you will already
have this rack if you already have a tape drive. If you need to order a rack, the
following are compatible with both the tape drive and the SCSI Switch:
• IBM 9309 System Rack (SC9125)
• IBM 9309 System Unit/9332 Rack (SC9126)
• IBM 9309 I/O Expansion Rack (SC9130)
3.2 Installing the SCSI Switch in the Rack
Unpacking and Packing
The SCSI Switch (for AS/400®) Subsystem is packaged in electrically
conductive containers. Save all packing material in case you need to ship,
store, or move the units later.
After you remove the SCSI Switch from the container, inspect it for
damage. If the equipment is damaged, immediately contact your dealer.
NOTE
Static electricity is generated by common activities such as walking
across a carpet, transporting items in plastic containers, and handling
synthetic materials. Electrostatic discharge (ESD) may result in
degraded reliability or failures.
Tools Required
The only tools you need to support the SCSI Switch can be found in a
standard tool kit:
• a Philips head screwdriver or common screwdriver
• a pair of pliers
• an adjustable wrench
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