Qualstar 501440 Rev. G operation manual Component Description

The following table briefly describes the components located on the rear of the FCO.

Component	Description
SCSI Channel 0 through 5	The SCSI Ultra 160 channels used to attach the TLS medium changer and
	tape drives.
Fibre Channel 0 and 1	GBIC transceiver sockets. The receptacles are for 2 Gbit Fibre Channel GBIC
	transceivers.
Ethernet	The Ethernet management interface (not supported).
Fail Over	Not applicable.
Serial	The RS-232 communications port used by the TLS library for configuration and
	control of the Fibre Channel router.
SCSI LEDs 0 through 5	On (green) when the SCSI bus is active or busy.
AT LED 0 and 1	On (green) when the Fibre Channel is active. Off when there is no Fibre Chan-
(Fibre Channel)	nel I/O activity.
LK LED 0 and 1	On (green) when the Fibre Channel link is connected and established. Off
(Fibre Channel)	when the Fibre Channel link is disconnected and/or not established.
ST LED	On (green) when then 10BaseT link is active or busy.
(Ethernet)
LK LED	Solid on (green) when the 10BaseT link is connected.
(Ethernet)
ST LED	Solid on (yellow) when the FCO is operational.
FT LED	Solid on (red) when a fatal error condition is present. This indicator will be on
	during power-on diagnostics, and is extinguished after successful completion
	of the power-on sequence.

Table 5-1 Components Located on Rear of FCO

5-2 FCO Type B Installation 501440 Rev. G