Page 1
5
AVCC2.5V
TP
R13
0R
T1
TXOM
TXOM
D D
RXIP
TXOP
RXIM
TXOP
RXIP
RXIM
R14
49.9
R15
49.9
R16
49.9
R17
49.9
C32
C31
390pF
390pF
C30
TS6121CX | TS6121C
0.1uF
1
16
TD+
TX+
2
15
CT
MCT
3
14
TD-
TX-
4
13
NC
MCT
5
12
CT
NC
6
11
RD+
RX+
10
7
MCT
CT
9
8
RX-
RX-
R18
75
4
JR1
1
TX+
2
TX-
3
RX+
6
RX-
4
N/C
5
N/C
7
N/C
8
N/C
RJ45
C33
R22
R19
R20
75
75
R21
75
75
1nF/2KV/1206
3
C28
1nF/2KV/1206
C29
1nF/2KV/1206
2
1
C C
UART
U4
C36
C35
0.1uF
0.1uF
RS232_RI
RS232_DCD
RS232_DSR
RS232_CTS
RS232_RXD
RS232_TXD
RS232_RTS
RS232_DTR
LOGIC_RTS
LOGIC_TXD
B B
1
C2+
2
C2-
3
VR1IN
R2IN
R3IN
#ONLINE
R4IN
#SHUTDOWN
R5IN
#STATUS
T1OUT
#R2OUT
T2OUT
R1OUT
T3OUT
R2OUT
T3IN
R3OUT
T2IN
R4OUT
T1IN R5OUT
SP3243
ZT3243LFEA
VCC
GND
4
5
6
7
8
9
10
11
12
13
14 15
C1+
V+
C1-
C37
0.1uF
28
27
26
25
24
23
22
21
20
19
18
17
16
VCC3.3V
C34
0.1uF
C38
0.1uF
H_SPEED_RS232_STATUS
LOGIC_RI
LOGIC_DCD
LOGIC_DSRLOGIC_DTR
LOGIC_CTS
LOGIC_RXD
VCC3.3V
Q2
1
2SC2411K
0
RS232_RI
R24
RS232_DTR
RS232_CTS
RS232_TXD
RS232_RTS
RS232_RXD
RS232_DSR
RS232_DCD
D5
GLED
510
32
R23
D0603+HOLE
DB9-MALE
5
9
4
8
3
7
2
6
1
CON1
C39
0.1u/2KV
10
11
LOGIC_RI
LOGIC_DCD
LOGIC_DSR
LOGIC_CTS
LOGIC_DTR
LOGIC_RTS
LOGIC_TXD
LOGIC_RXD
RI/P2_7
DCD/P2_6
DSR/P2_5
CTS/P2_4
DTR/P2_3
RTS/P2_2
HSTXD/P2_1
HSRXD/P2_0
Option--RS422/485
R360R
U5
1
8
RO
VCC
2
7
#RE
B
3
6
DE
LOGIC_TXD
VCC3.3V
R380R
LOGIC_RXD
422_485_Sel
LOGIC_TXD
A A
A
4 5
DI GND
ZT485EEN
U6
1
RO
VCC
2
#RE
B
3
DE
A
4 5
DI GND
ZT485EEN
8
7
6
R37120R
C48
0.1uF
R39120R
C49
0.1uF
L4 BEAD
L5 BEAD
L6 BEAD
L7 BEAD
ST1
422485
1
T-
2
T+
3
R-
4
R+
422_485_PORT
A
B
422_485_Sel (low) 422 RX
(High) 485 TX
(low) 485 RX
5
4
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Title
Size Document Number Rev
3
2
Date: Sheet of
IC Plus Semiconductor Corporation
IP210 128PIN Demo Board
C
04_RJ45
1
2 2Tuesday, October 23, 2007
01
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