130
NetComm Wireless 3G Light Industrial M2M Router
www.netcommwireless.com
Appendix H: Serial port wiring
Figure 134 - DE9 Male connector (Pin side view)
The NWL-12 Series router has a serial interface and acts as the data communications equipment (DCE). The wiring tables below
indicate the DCE and DTE devices as well as the signal direction. Shielding cable can optionally be soldered to the chassis and
connected to ground.
DTE DEVICE (COMPUTER)
SIGNAL
DIRECTION
DCE DEVICE (NWL-12 ROUTER)
PIN
NAME
DESCRIPTION
DESCRIPTION
NAME PIN
1
DCD
Data carrier detect
Data carrier detect
DCD
1
2
RXD
Receive Data
Receive Data
RXD
2
3
TXD
Transmit Data
Transmit Data
TXD
3
4
DTR
Data Terminal Ready
Data Terminal Ready
DTR
4
5
GND
Ground
Ground
GND
5
6
DSR
Data Set Ready
Data Set Ready
DSR
6
7
RTS
Request to Send
Request to Send
RTS
7
8
CTS
Clear to Send
Clear to Send
CTS
8
9
RI
Ring Indicator
Ring Indicator
RI
9
-
FGND Shield (Soldered to D9 metal shield)
Shield (Soldered to D9 metal shield) FGND
-
Table 36 - RS-232 Wiring
RS-485 HALF DUPLEX WIRING
PIN
SIGNAL NAME
DESCRIPTION
1
—
A
Differential pair A
2
+
B
Differential pair B
5
GND
Ground
Table 37 - RS-485 Half Duplex Wiring
RS-485 (RS-422) FULL DUPLEX WIRING
PIN
SIGNAL NAME
DESCRIPTION
1
—
RXA
Receive (Differential pair A)
2
+
RXB
Receive (Differential pair B)
3
+
TXB
Transmit (Differential pair B)
4
—
TXA
Transmit (Differential pair A)
5
GND
Ground
Table 38 - RS-485 (RS-422) Full Duplex Wiring
Pin 9
Pin 6
Pin 5
Pin 1
Содержание NWL-12-01
Страница 1: ...User Guide NWL 12 Series 3G Light Industrial M2M Router...
Страница 4: ...4 NetComm Wireless 3G Light Industrial M2M Router www netcommwireless com Product Warranty 142...
Страница 53: ...www netcommwireless com NetComm Wireless 3G Light Industrial M2M Router 53 Figure 60 IPSec profile edit...