Samsung SMG-3200 - Manual (Page 32)

2-14
Chapter 2
System Boards
C
B
O A
G
NC
n LED Indicators
LED LED LED LED Color Color Color Color Description Description Description Description
P1
P2
P3
P4
P5
P6
P7
P8
Green LED is on during each port in use.
❷ J1~J8 Jumper
LED LED LED LED Default Default Default Default Description Description Description 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.
yTo use TYPE I -Standard signaling,
☞ Close pin B-O and C-G.
yTo use TYPE I -Inverted signaling,
☞ Close pin B -C and G-O.
yTo use TYPE II –Standard signaling,
☞ Close pin A-O.
yTo 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.