| W
ireless
M2M
11
NTC-3000-04 -
M2M Serial Modem
DB9 Signals
RJ45
DC Power
Socket
Description
1
DCD
2
Data Carrier Detect
2
RXD
5
Serial Data Out
3
TXD
6
Serial Data In
4
DTR
3
Data Terminal Ready
5
GND
4
DC Ring
Common Ground
6
DSR
-
Not Used
7
RTS
7
Ready To Send
8
CTS
8
Clear To Send
9
RI
Not Used
Power
1
DC Tip
VCC (Input voltage from
5V - 36VDC
RJ45 to DB9 Serial/Power adapter cable
The NTC-3000-04 M2M Serial Modem uses an RJ45 to DB9 Serial cable to facilitate
communications to an attached device. Pins 1 and 4 are used to supply power to the
NTC-3000-04 M2M Serial Modem.