16
(2) FP_USB2/FP_USB3 (9-pin): USB 2.0 Port Headers Pitch=2.54mm
VC
C
+
D
A
T
A
VC
C
GN
D
-DATA
-DATA
GN
D
+
D
A
T
A
Pin 1
2
NC
(3) FP_USB1 (19-pin):USB 3.2(Gen.1) Port Header Pitch=2.0mm
S
S
RX
2
-
SSR
X
2
+
G
ND
2
S
S
T
X
2
-
S
S
T
X
2+
G
ND
3
D2
-
D
2+
V
B
US
_5V
11
Pin1
10
V
B
US
_5V
S
S
RX
1
-
S
S
RX
1
+
G
ND0
S
S
T
X
1
-
S
S
T
X
1+
G
ND1
D1
-
D1+
NC
(4) COM3/4/5/6 (9-pin): RS232 Serial Port Header Pitch=2.54mm
*Note:
COM3/4/5/6
ports are optional for
MM21-W4800/W4802 Series.
DCD
Pin1
Pin6
SIN
SO
UT
DTR
G
ND
DS
R
RTS
CTS
RI
FP_USB1
COM3
COM4
COM5
COM6
FP_USB3
FP_USB2
