68-Pin SCSI Connector Pinout, Continued

High-Density Single Ended Connector The following applies to the high- density SCSI connector table on the previous page:

∙A hyphen before a signal name indicates that signal is active low.

∙The connector pin refers to the conductor position when using 0.025 inch centerline flat ribbon cable with a high-density connector (AMPLIMITE.050 Series connectors).

∙Eight-bit devices connected to the P-Cable must leave the following signals open: -DB (8), -DB (9), -DB (10), -DB (11), -DB(12), -DB (13), -DB (14), -DB 15), and -DB (P1).

∙All other signals should be connected as defined.

Caution

Lines labeled RESERVED should be connected to Ground in the bus terminator assemblies or in the end devices on the SCSI cable.

RESERVED lines should be open in the other SCSI

devices, but can be connected to Ground.

90ADAC Ultra2 S466 Hardware Guide