Scsi Cables - LSI LSIU40SE User Manual

All external SCSI bus connections to the LSIU40SE are made with
shielded, 68-conductor cables (see
cable are always keyed to ensure proper pin-1 connection.
Figure 2.3

SCSI Cables

SCSI Cables for Internal Connections
50-pin High Density
SCSI Cable for Internal Connections
50-pin Low Density
SCSI Cable for External Connections
68-pin VHDCI
Important: You can connect up to 16 SCSI and Fast SCSI devices,
including the host adapter board, on a SE SCSI bus only if
they are at least .3 m apart on a 6-meter cable. For Ultra
SCSI, you can connect up to eight devices, including the
host adapter board, on a SE Ultra SCSI bus only if they are
evenly spaced on a 1.5-meter Ultra SCSI cable (0.19 m
between devices). You can connect up to four devices if
they are evenly spaced on a 3-meter Ultra SCSI cable
(0.75 m between devices). Your SE SCSI bus should not
exceed 3 meters (total internal and external cable lengths),
Detailed Installation Procedure
Figure 2.3). The connectors on this
2-7