Adaptec LSM-FC2002 Installation Guide - Page 44

Quad Loop Configuration, Cabling the Quad Loop Configuration

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44 Quad Loop Configuration To HBA Note: Quad loop configuration requires that the enclosure be configured in split loop mode. To set split loop mode, a jumper must be installed at jumper location JP3 on each LS module in the enclosure. This section describes the procedure for connecting the enclosure in quad loop mode. For this configuration there must be two LS modules and two I/O modules installed in the enclosure. 1 Remove both LS modules from the enclosure and install a jumper, at jumper location JP3 if one is not already installed. This sets the enclosure to operate in split loop mode. 2 Attach cables to the top and bottom connector of both I/O modules (see Figure 3-4). 3 Attach the other end of these four cables to your host systems. Figure 3-4 Cabling the Quad Loop Configuration To HBA 1 1 2 2 I 0 I 0 To HBA To HBA CAUTION: Enclosures in split loop mode can not be daisy chained to other enclosures. JBOD Configurations

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JBOD Configurations
44
Quad Loop
Configuration
Note:
Quad loop configuration requires that the enclosure be
configured in split loop mode. To set split loop mode, a jumper
must be installed at jumper location JP3 on each LS module
in the enclosure.
This section describes the procedure for connecting the
enclosure in quad loop mode. For this configuration there
must be two LS modules and two I/O modules installed in
the enclosure.
1
Remove both LS modules from the enclosure and install a
jumper, at jumper location JP3 if one is not already installed.
This sets the enclosure to operate in split loop mode.
2
Attach cables to the top and bottom connector of both I/O
modules (see Figure 3-4).
3
Attach the other end of these four cables to your host systems.
Figure 3-4
Cabling the Quad Loop Configuration
CAUTION: Enclosures in split loop mode can not be daisy
chained to other enclosures.
1
2
1
2
0
I
0
I
To HBA
To HBA
To HBA
To HBA