LSI SYM22801 Manuel d'utilisateur télécharger pdf (Page 21)

Detailed Installation Procedure 2-7

All external SCSI bus connections to the SYM22801 host adapter are

made with shielded, 68-conductor cables (see Figure 2.3). The

connectors on this cable are always keyed to ensure proper pin-1

connection.

Figure 2.3 SCSI Cables

Important:

You can connect up to sixteen SCSI and Fast SCSI

devices, including the host adapter board, on a single-

ended SCSI bus only if they are at least .3m apart on a 6

meter cable. For Ultra SCSI, you can connect up to eight

devices, including the host adapter board, on a

single-ended Ultra SCSI bus only if they are evenly spaced

on a 1.5 meter Ultra SCSI cable (0.19m between devices).

You can connect up to four devices if they are evenly

spaced on a 3 meter Ultra SCSI cable (0.75m between

devices). Your single-ended SCSI bus should not exceed

SCSI Cables for Internal Connections

68-pin

High Density

SCSI Cable for External Connections

68-pin

VHDCI

and/or

50-pin

Low Density

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LSI SYM22801 Manuel d'utilisateur Page 21