CM37M25x4
‐
60
4
‐
port
male
DB37
to
male
DB25
connection
cable,
60cm
DB25
RS
‐
232
RS
‐
422
RS
‐
485
RS485
Pin
(4
‐
wire)
(2
‐
wire)
2
TxD
RxD+(B)
RxD+(B)
3
RxD
TxD+(B)
TxD+(B)
Data+(B)
4
RTS
RTS+(B)
5
CTS
CTS+(B)
6
DSR
RTS
‐
(A)
7
GND
GND
GND
GND
8
DCD
TxD
‐
(A)
TxD
‐
(A)
Data
‐
(A)
20
DTR
RxD
‐
(A)
RxD
‐
(A)
22
CTS
‐
(A)
The
following
figure
shows
the
memory
architecture
of
the
JetBox.
32MB
Flash