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2-14
Chapter 2
System Boards
C
B
O
A
G
NC
n LED Indicators
LED
LEDLED
LED Color
ColorColor
Color Description
DescriptionDescription
Description
P1
P2
P3
P4
P5
P6
P7
P8
Green LED is on during each port in use.
❷ J1~J8 Jumper
LED
LEDLED
LED Default
DefaultDefault
Default Description
DescriptionDescription
Description
J1
J2
J3
J4
J5
J6
J7
J8
J1~J8 jumpers are intended to select signaling type for each
port of E&M board.
y
To use TYPE I -Standard signaling,
☞
Close pin B-O and C-G.
y
To use TYPE I -Inverted signaling,
☞
Close pin B -C and G-O.
y
To use TYPE II –Standard signaling,
☞
Close pin A-O.
y
To use TYPE II -Inverted signaling,
☞
Open all pins.
If the power of the connected system is not
–
48V, open the shunt pin of C-B.