StorCase Technology S20A102 - Manual (Page 12)

Introduction 5
S20A102 User's Guide - Rev. A01 StorCase Technology, Inc.
Figure 4: Receiving Frame Unit ID Number and Activity Display
Receiving Frame Rear Panel
(Refer to 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.
• I/O Connector (J2): The input/output connector provides a standard interface for
16-bit wide SCSI signals.
• Option Pin Connector (W1):
Remote Unit ID Selection: Pins 1 through 8 are provided for remote unit ID selection
for the computer system or expansion chassis. 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 17 & 18 and Pins 19 & 20.
NOTE: Do not remove these jumpers!