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Title
Num ber RevisionSize
A
Date: 1/28/2010 Sh eet of
Fil e: N :\ PCBMGR\..\06731-2_USB.SchDoc Drawn By:
Auxiliary I/O Board (USB)
A
32
RT
06731
TXD-A
RTS-A
DTR-A
RXD-A
CTS-A
DSR-A
DCD-A
RI-A
V-BUS
VBUS
1
D-
2
D+
3
GND
4
J4
USB
GND
GND
V-BUS
CHA SSIS
GND
GND
C1+
28
C1-
24
C2+
1
C2-
2
TI1
14
TI2
13
TI3
12
RI3
6
RI2
5
RI1
4
TO3
11
TO2
10
TO1
9
RO2
20
V-
3
V+
27
VCC
26
STAT
21
SHTDN
22
RI4
7
RI5
8
ONLINE
23
GND
25
RO1
19
RO2
18
RO3
17
RO4
16
RO5
15
U9
SP3243EU
GND
R12
4.75k
GND
1
2
nc
3
nc
4
5
6
U11
NUP2202W1
TXD-B
RXD-B
CTS-B
RTS-B
DSR-B
DTR-B
RI-B
DCD-B
MT1
MT-HOLE
C24
4. u
C26
1u
C25
0.1u
C22
0.1u
C23
0.1u
C19
0.1u
C20
0.1u
C21
0.1u
DS4
GRN
R11
2.2k
CHASSIS
MT2
MT-HOL E
R14
0
R15
0
DCD
2
RXD
1
TXD
4
DTR
3
GND
6
DSR
5
RTS
8
CTS
7
RI
10
N/C
9
J3
DF11-10DP -2D S( 24)
V-BUS
CHASSIS-1
22
21
19
18
DCD
1
RI
2
DTR
28
DSR
27
TXD
26
RXD
25
RTS
24
CTS
23
GND
3
16
15
13
10
14 20
17
VBUS
8
VREG-I
7
D-
5
RST
9
SUSPEND
11
SUSPEND
12
VDD
6
D+
4
U10
CP2102
3.3V
D-22
07266B DCN6845