StorCase Technology S20A108 - Manual (Page 12)

Introduction 5
S20A108 User's Guide - Rev. A02 StorCase Technology, Inc.
Figure 4: Receiving Frame Unit ID Number and Activity Display
Receiving Frame (Rear)
(Figure 5)
• I/O Connector (J2) : The input/output connector provides a standard interface for
16-bit wide SCSI signals.
• DC Power Connector (P1): The Data Express uses a standard 4-pin DC power
connector to accept DC power.
• Option Pin Connector (W1):
Remote Unit ID Selection: Pins 1-8 of this connector are provided for remote unit
SCSI ID selection through the computer system. Remote ID selection requires that the
unit ID switch located on the inside of the receiving frame be set to "0". (Onboard ID
selection is set with a switch located on the inside of the receiving frame as shown
in Figure 10). See Table 1 for pin assignments.
Factory-Installed Jumpers: There are two (2) jumpers factory-installed on W1.
These jumpers are located on Pins 19 & 20 and Pins 21 & 22.
NOTE: Do not remove these jumpers!