Explanation of Jumpers
To modify the operation of the backplane,
jumpers can be used to choose between
optional settings. Jumpers create
shorts between two pins to change the
function of the connector. Pin 1 is
identified with a square solder pad on
the printed circuit board. Note: On two pin
jumpers, "Closed" means the jumper is on
and "Open" means the jumper is off the
pins.
Connector
Pins
Jumper
Setting
3
2 1
3 2 1
S E C _ J 2
S E C _ J 1
S E C _ J 0
P R I _ J 2
P R I _ J 1
P R I _ J 0
E C 8
P W R 1
E C 2
2
E C 2
0
S _ J
1
P _ J 1
P R I _ E X P 1
L 1
SEC
_M
OD
E1
P R I _ M O
D E 1
S E C _ I 2 C 1
S E C _ I P M I 1
P R I _ I P
M I 1
P R I _ I 2
C 1
J 2 5
S E C _ F L A
S H 1
P R I _ F L A
S H 1
S E C _ E X
P 1
P W R 3
+ 1 2 V G N D G N D + 5 V
+ 1 2 V
G N D G N D + 5 V
+ 1 2 V G N D
G N D
P W R 4
F A N 2
P W R 2
F A N 1
R 2 2
7
B U Z Z E
R 1
2
A
CA
C
5 V _ L E
D 1
O V E R H E A T F
A I L 1
A C
A
C
F A N F A
I L 1
B U Z Z E R _
E N B 1
R E M O T E _ F A N _ F A I L
_ S O C K E T 1
G N D G N D + 5 V
+
P W R 6
P W R 5
+ 1 2 V G N D
G N D + 5 V
WWN
SA S8 46 EL 2
R E V 1 . 0 1
B A R C O D E
D E S I G N E D I N U S A
+
+ 1 2 V G N D G N D
+ 5 V
+ 1 2
V
+ 5 V
WWN
1 J 2
4
2
SEC_MODE1
PRI_
Mode1
SC846 Chassis Manual
D-7 Front Jumper Locations and Pin Definitions
BUZZER_ENB1
REMOTE_FAN_FAIL_SOCKET1
OVERHEATFAIL1
FANFAIL1
Figure D-2: Front Jumper Locations and Pin Defimitions
D-6
Содержание SC826E16-R1200B
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