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L700 (CTL700) Installation and User’s Guide—527338-004
B-1
B Multimode Fiber-Optic Cables
To connect each CT9840FC-1/CT9841FC-1 Fibre Channel tape drive to a NonStop
S-series system, both a CT9800FC Fibre Channel converter with a multimode gigabit
interface converter (GBIC) and a supported multimode short-wave fiber-optic cable are
required.
Use a supported SCSI cable to connect a Fibre Channel converter to a PMF CRU
NonStop S74000 or later, an IOMF 2 CRU, or a ServerNet D/A S-SAC. Use the
supported multimode fiber-optic cable between the subscriber connector (SC)
connector on the Fibre Channel converter to an SC connector on the tape drive. An SC
is also known informally as a "Stick and Click" connector.
Three types of multimode fiber-optic cables are supported for connection to
CT9840FC-1 Fibre Channel tape drives:
•
HP recommends using a 50/125 micron multimode fiber-optic cable with SC
connectors on both ends. The maximum cable length supported is 500 meters. For
distances greater than 250 meters, this type of cable is required. HP does not
supply these cables, but they are available from fiber-optic cable vendors.
•
The next choice is a 62.5/125 micron multimode cable, with dual SC connectors
(product number 676Mx-x). The maximum cable length supported is 200 meters.
•
The last choice is a 62.5/125 micron multimode fiber-optic cable (product number
F9-x or F12-x). Use one of these cables only if you are replacing a 519x tape drive
with a CT9840FC, and want to continue to use the F9-x or F12-x fiber-optic cables
that are already installed in the building. The F12-x cables have an FDDI connector
on one end and an SC connector on the other end. The F9-x cables have Fiber
distributed data interface (FDDI) connectors on both ends. Therefore, you must
use a converter cable and coupler to convert each FDDI connector to an SC
connector. The maximum cable length supported is 250 meters.
Note. The Fibre Channel converter is shipped with a black multimode GBIC. Do not use a blue
single-mode GBIC, such as those on a SCSI extender, to connect to a 9840 Fibre Channel
tape drive. A GBIC is a transceiver that converts serial electric signals to serial optical signals
and vice versa. A GBIC is used to interface a fiber optic system with an Ethernet system, such
as Fibre Channel and Gigabit Ethernet.
Note. Do not connect a 9840 Fibre Channel tape drive directly to a NonStop S-series system
using a ServerNet D/A F-SAC.
Note. Do not use F12-500 or F9-500W cable with 9840 Fibre Channel tape drives or any
customer-supplied 62.5/125 cable longer than 250 meters.