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AMM-1570/1572 User’s Guide
AMM-1570/1572 User’s Guide
Stock Number: 510526-00, Rev. B Page: 1-8
Print Spec Number: 492379-00
Current Date: 3/7/94 ECN Date: 3/8/94
Types of Cables Required
Before you actually install the host adapter, be sure you have the cor-
rect cables for your particular installation. The type of cables
required depends on the type of devices you plan to connect to the
SCSI bus: either external or internal. The type of connectors attached
to the cables also depends on the configuration of your installation.
Maximum Cable Lengths
When the SCSI bus contains a Fast SCSI host adapter, such as the
AMM-1570/1572, and one or more Fast SCSI devices, the total
length of all cables (internal and external) connected to the bus
should not exceed 3 meters to ensure reliable operation. If no Fast
SCSI devices are connected, the total length of all cables should not
exceed 6 meters.
External SCSI Connector Mounting Bracket
If you are connecting external SCSI devices to the AMM-1570/1572,
the external SCSI connector mounting bracket must be installed.
This bracket allows you to connect external SCSI devices to the
AMM-1570/1572. The mounting bracket is available from Adaptec
and is normally included with all AMM-1570/1572 kits. Refer to
Installing the External SCSI Connector Mounting Bracket on page 3-8
for detailed instructions on installing the bracket.
❒
Type of Connector
on Host Adapter Type of SCSI Cable Type of Connector on SCSI Cable
Internal 50-pin SCSI ribbon cable Unshrouded 50-pin header, com-
patible with unshielded Alternative
2 connector.
External 50-pin shielded cable Shielded 50-pin Alternative 2
connector.