Avago Technologies LSI53C120 - Manual (Page 18)

10 LSI20101/LSI20102 SCSI Bus Boards
3 LSI20101 SCSI Bus Extender Board Installation Instructions
3.1 Software Requirements
There are no software requirements for this board.
3.2 Board Mounting
Mount the board inside the selected enclosure using four fasteners in the
0.125 diameter mounting holes. (See
Figure 2 .) Be careful not to short
from the mounting holes to any nearby signal traces with conductive
mounting hardware.
3.3 Setting Switches
Use the information under the subsection entitled “Switches” or the
information on the board to properly set the switches at board location
U4.
3.4 Connecting Cables
To connect your cables, follow these instructions:
•
Connect power plug to connector J1
•
Connect SCSI cables to connectors J2 and J3
•
Connect the optical harness to connector J4 for external control of
SCSI terminators that use external switches and to view SCSI bus
activity on offboard LED.
Table 6 LED Connector J4
J4-Pin Number Signal Name
5 BUSY LED+
6 BUSY LED
−