StorCase Technology S20A114 - Manual (Page 12)

Introduction 5
S20A114 User's Guide - Rev. A01 StorCase Technology, Inc.
Figure 4: Receiving Frame Unit ID Number and Activity Display
Receiving Frame Rear Panel
(Figure 5)
• I/O Connector (J2) - The input/output connector provides a standard interface for all
SCSI signals (Figure 5).
• DC Power Connector (P1) - A standard 4-pin DC power connector is used to accept
DC power.
• Option Pins (Figure 5)
Remote Unit ID Selection - Pins 1-8 of this connector provide unit ID selection for the
computer system or expansion chassis. For remote ID selection through an expansion
chassis, an appropriate cable must be attached to these pins and the unit ID must be set
to "0". The unit ID can be set with a rotating switch located inside the receiving frame
(Figure 9).
Remote Activity LED (RLED) - These pins provide power for a remote LED device
activity indicator (Pin 11=Cathode, Pin 12=Anode).
Jumpers - These jumpers were installed at the factory. Do not remove!