Fujitsu IRF-1S series User Manual page 98

Chapter 3 - Setup and Installation
Multi-Port Mirrored Dual Host-Single Connection Configuration
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Multi-Port Mirrored Dual Host-Single Connection Configuration
Set the jumper (JP4) on the Disk I/O card to configure the bus speed mode.
Loosen the two captive fastener screws for the Disk I/O card and pull it from
the enclosure using the fastener screws. Locate the jumper JP4 and position it
for the desired speed setting, (installed on one pin only for 2 Gb mode and
on both pins for 1 Gb mode).
FC-AL Loop Port
Loop Status LED
2 Gb/1 Gb Mode LED
Disk I/O Card Jumper Settings for the imageRAID IRF-2Sxx-xx/IRF-2Dxx-xx Enclosures
JUMPER
JP1 imageRAID Controllers Only
JP2 imageRAID Controllers Only
JP3 Split Bus Mode
JBOD Enclosures Only
JP4 1 Gb/sec Bus Speed Mode
* indicates default setting
Re-install the Disk I/O card. Repeat step 1 for the second Disk I/O card.
Jumpers JP1 and JP2
must be installed on
both pins .
Disk I/O Card
INSTALLED BOTH PINS
Jumper JP3 must be offset
or installed on one pin only.
This enables Single Bus mode.
Jumper JP4 must be set
to one pin only for 2Gb mode.
Position it on both pins for
1Gb mode.
INSTALLED ONE PIN (OFFSET)
* Non-imageRAID Controllers
* Non-imageRAID Controllers
* Single Bus Mode
RAID Enclosures and Daisy
Chain JBOD Enclosures
* 2 Gb/sec Bus Speed Mode