Adaptec 1966600 User Guide - Page 32

Switch, Function, describes the function and use of each switch.

Page 32 highlights

DuraStor 6220SS/7220SS Installation and User's Guide Table 2-3 describes the function and use of each switch. Table 2-3. SAF-TE Switch Functions Switch 1 2 and 3 4 Function Sets the bus mode. The DOWN position (0) configures the enclosure for singlebus mode. In this configuration, all 12 disk drives are on a single SCSI bus and are accessed through the Channel 1 Input connector on the disk I/O card. See Disk I/O Card on page 2-19. The UP position (1) configures the enclosure for dual-bus mode. In this configuration, the disk drives in slots 1-6 are on one SCSI bus and are accessed through the Channel 1 Input connector and the disk drives in slots 7-12 are on the other SCSI bus and are accessed through the Channel 2 Output connector on the same disk I/O card. Determines the disk drive SCSI ID configuration. See Connecting the SCSI RAID Appliance to the Host System on page 3-17 for more information. Determines the disk drive SCSI ID configuration. See Connecting the SCSI RAID Appliance to the Host System on page 3-17 for more information. Note: Make sure switch 4 is set to the up position whenever connecting the DuraStor 312R to any RAID controller. 5 Unused. 6 Sets the baud rate for VT-100 connection to the RS-232 port. The UP position sets the baud rate to 19,200. The DOWN position sets the baud rate to 9,600. 7, 8 Control delay and remote spin-up. See Spin-up Settings on page 2-23 for information. 2-22

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2-22
DuraStor 6220SS/7220SS Installation and User’s Guide
Table 2-3
describes the function and use of each switch.
Table 2-3.
SAF-TE Switch Functions
Switch
Function
1
Sets the bus mode.
The
DOWN
position (0) configures the enclosure for single-
bus mode. In this configuration, all 12 disk drives are on a
single SCSI bus and are accessed through the Channel 1
Input connector on the disk I/O card. See
Disk I/O Card
on
page 2-19
.
The
UP
position (1) configures the enclosure for dual-bus
mode. In this configuration, the disk drives in slots 1–6 are
on one SCSI bus and are accessed through the Channel 1
Input connector and the disk drives in slots 7–12 are on
the other SCSI bus and are accessed through the Channel
2 Output connector on the same disk I/O card.
2 and 3
Determines the disk drive SCSI ID configuration. See
Connecting the SCSI RAID Appliance to the Host System
on
page 3-17
for more information.
4
Determines the disk drive SCSI ID configuration. See
Connecting the SCSI RAID Appliance to the Host System
on
page 3-17
for more information.
Note:
Make sure switch 4 is set to the up position
whenever connecting the DuraStor 312R to any
RAID controller.
5
Unused.
6
Sets the baud rate for VT-100 connection to the RS-232
port.
The
UP
position sets the baud rate to 19,200.
The
DOWN
position sets the baud rate to 9,600.
7, 8
Control delay and remote spin-up.
See
Spin-up Settings
on page 2-23
for information.