User guide

Introduction
7
1.3.3.1 SS-1x12-FC-IO
The SS-1x12-FC-IO Modules are fitted in bays 3/2 and 3/3. Each module includes DB9 connectors for FC-AL
attachment, shown in Figure 1–11.
1.3.3.2 SS-2x6-FC-DC-IO
The SS-2x6-FC-DC-IO modules (Figure 1–12) are fitted in bay 3/2 for loop A or bay 3/3 for Redundant loop B.
they provide two loops of 6 drives and include hub type functions allowing daisy chaining of any number of
enclosures. These modules use HSSDC connector types.
A single 12 drive loop can be created by linking loops 1 and 2 with a short external cable.
LEDs are incorporated in the module panel and used to indicate that an FC-AL signal is present on the input.
Figure 1–10 Galaxy 55 Enclosure with FCAL LRC I/O Modules Installed
Figure 1–11
LRC I/O Module: Rear Panel Layout
Figure 1–12
SS-2x6-FC-DC-IO Module Rear Panel Layout