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8
4.0
Connections and Settings
4.1
DTC-300A Main Board
There are FOUR jumpers on the DTC-300A for operation/configuration purposes and 8 LEDs
for status indication. Jumper JW1 is used to reset the default passcode. Jumper JW2 is
required for configuring the DTC-300A. Jumper JW3 is used for enabling/disabling Ground
Fault detection and JW4 is used to set the Trouble Relay. Refer to Figure 2 for the location of
jumpers, cable connections, pushbutton and LEDs. Table 1 provides a description of the
status LEDs on the DTC-300A and Table 2 provides information on the use of jumpers JW1 to
JW4.
Figure 2
DTC-300A Board Layout
1
*
5
8
0
#
ENTER
MENU
CANCEL
INFO
6
2
ABC
3
DEF
4
GHI
JKL
MNO
7
PRS
TUV
9
WXY
QZ
COMMON
TROUBLE
GROUND
FAULT
CPU
FAIL
LINE 1
LINE 2
POWER
ON
SYSTEM NORMAL
18:01 MON 2003-04-05
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S/DTC-300A Idle
20:00 SUN 2006-10-1
Summary of Contents for DTC-300A
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