IBM TotalStorageFAStT900, User Manual

Page: 56 / 112

Table 11. Host-side and drive-side mini-hub indicator lights (continued)
Icon Indicator light Color Normal operation Problem indicator Possible
condition
indicated by the
problem indicator
Bypass (lower
port) Amber Off On
v
Lower mini-hub
port is bypassed;
no devices are
connected.
v Mini-hub port or
SFP module has
failed or is loose.
v Fiber-optic
cables are
damaged.
Note: When two
functioning SFP
modules are
installed into the
mini hub port and
no Fibre Channel
cables are
connected to them,
the bypass
indicator light is lit.
If only one
functioning SFP
module is installed
in a host-side mini
hub port and no
Fibre Channel
cables are
connected to it, the
indicator light is not
lit.
However, the
drive-side mini hub
bypass indicator
light will be lit when
one functioning
SFP module is
installed in the mini
hub port and the
mini- hub has no
Fibre Channel
cables connected
to it.
30
IBM TotalStorageFAStT900 Fibre Channel Storage Server: User’s Guide