C-6
SC721 Chassis Manual
4.
Front Panel Jumper Settings and Pin Definitions
5. Fan Enable/Disable
Fan
JP61
JP62
Fan Enabled
On
Pins 1-2
Fan Disabled
Off
Pins 2-3
Front LED
State
Specification
D3
On
Overheat, drive failure or fan failure
D4
On
Fan failure only
Jumper
Description
Definition
JP18
Open (Default)
Normal
Closed
Buzzer reset
JP26
Open (Default)
Act #0 - 3 In
JP29
Open (Default)
Normal
Closed
MG9071 reset
JP33
Pins 1-2
I
2
C controller ID: SGPIO
Pins 2-3 (Default)
I
2
C controller ID I
2
C
JP34
Pins 1-2 (Default)
I
2
C backplane ID: ID#0
Pins 2-3
I
2
C backplane ID: ID#1
JP40
Closed
I
2
C reset: SGPIO
Open (Default)
I
2
C reset I
2
C
JP42
Pins 1-2
I
2
C backplane ID: SGPIO
Pins 2-3 (Default)
I
2
C backplane ID: I
2
C
JP50
Open
I
2
C reset SGPIO
Short (Default)
I
2
C reset I
2
C (On)
Summary of Contents for SC721TQ-250B
Page 1: ...SC721 CHASSIS SERIES SC721TQ 250B USER S MANUAL 1 0...
Page 10: ...SC721 Chassis Manual 1 4 Notes...
Page 30: ...2 20 SC721 Chassis Manual Notes...
Page 36: ...SC721 Chassis Manual 4 4 Notes...
Page 54: ...SC721 Chassis Manual 5 18 Notes...
Page 58: ...SC721 Chassis Manual B 2 Notes...
Page 67: ...C 9 Appendix C BPN SAS 733TQ Backplane Specifications Notes...