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CSE-M14TQC MOBILE RACK User's Guide
3-4
Rear Jumper Pin Definitions
Explanation of Jumpers
To modify the operation of the backplane, jump-
ers 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.
#1 Temp LED Setting Jumper
The Temp LED Setting jumper (J6) is a 3-pin
jumper that can be used to configure the temper-
ature at which the Overheat LED 802 will light up.
#10 Fan Control Mode Setting Jumper
The Fan Control Mode Setting Jumper (J7) is
a 3-pin jumper that configures the fan control
mode for the backplane between PWM Mode
and Full Speed.
#11 IC Reset Jumper
The IC Reset Jumper (J8) is a 3-pin jumper that
configures the IC reset mode for the backplane
between Normal and Reset Mode.
Note: For Factory Use Only.
Temp LED Setting (J6)
Jumper Setting
Open
Pins 1-2
Pins 2-3
Fan Control Mode Setting
Jumper Setting
Pins 1-2
Pins 2-3
Jumper Setting
Pins 1-2
Pins 2-3
3-4
3
2
Connector
Pins
Jumper
3
2
Setting
Jumper Settings
Definition
45O C
50O C (Default)
55O C
(J7) Jumper Settings
Definition
PWM Mode
Full Speed
IC Reset (J8) Jumper
Settings
Definition
Normal
Reset
1
1
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