Installation guide

Installing and Connecting Advanced SSA Optical Extenders to the 7133 Model
T40
Notes:
1. It is the customer’s responsibility to obtain the fibre optic cables, and to have
those cables installed.
2. The Advanced SSA Optical Extenders can drive single-mode operations and
multi-mode operations. Fibre optic cables and connectors must be to the following
specifications:
Fibre optic cables for
single-mode operations
9/125 microns
Fibre optic cables for
multi-mode operations
50/125 microns or 62.5/125 microns
Note: Each type of cable needs a particular type
of Advanced Multi-Mode Conditioner (see the
Parts Catalog in the 7133 Models D40 and T40
Serial Disk Systems: Service Guide).
Connector type ST2 (preferred for all new installations) or ST
Uniter type (multi-mode only) ST2
Maximum permitted length
between two SSA nodes (for
example, disk drives)
3 kilometers (9842 feet) for multi-mode operations,
but see also Note.
10 kilometers (32800 feet) for single-mode operations,
but see also Note.
Note: Lengths of 3 kilometers and 10 kilometers
are permitted only if the fibre optic connection is
between:
v Two 7133s Model D40 or T40
v A 7133 Model D40 and a 7133 Model T40
v A 7133 Model D40 or T40 and an Advanced
SerialRAID Adapter
v A 7133 Model D40 or T40 and an Advanced
SerialRAID/X Adapter
v Two Advanced SerialRAID Adapters
v Two Advanced SerialRAID/X Adapters
Otherwise, the maximum permitted length for
single-mode and multi-mode operations is 2.4
kilometers (7874 feet).
3. Because the fibre optic cables can be up to 10 kilometers (32800 feet) long, we
recommend that you complete the installation at one end of the fibre optic cables
before you start work at the other end.
14 7133 Model T40 Installation Guide
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