Devicemaster 2-Port (1E/2E) Db9 Connectors - Comtrol DeviceMaster PRO Installation And Configuration Manual

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DeviceMaster 2-Port (1E/2E) DB9 Connectors

DeviceMaster 2-Port (1E/2E) DB9 Connectors
58 - Connecting Serial Devices
Use the following information to connect the DeviceMaster UP 2-port.
1. Connect your serial devices to the appropriate serial port on the DeviceMaster UP
using the appropriate cable.
Use the following table and the appropiate discussion to build cables or loopback
plugs.
DB9 Loopback Plugs on Page 59
DB9 Null-Modem Cables (RS-232) on Page 60
DB9 Null-Modem Cables (RS-422) on Page 60
DB9 Straight-Through Cables (RS-232/485) on Page 60
Pin
1
2
3
4
5
6
7
8
9
† Pin 5 is tied to ground on the board, but is not used in
the cable.
Note: Refer to the hardware manufacturer's installation documentation if you need help
with connector pinouts or cabling for the serial device.
2. Verify that the devices are communicating properly. Use the appropriate table for
information about the LEDs, which may provide information about the installation.
The STATUS LED on the device is lit, indicating you have power and it
has completed the boot cycle.
Note: The STATUS LED flashes while booting and it takes
STATUS
approximately 15 seconds for the Bootloader to complete the cycle.
When the Bootloader completes the cycle, the LED has a solid,
steady light that blinks approximately every 10 seconds.
If the LINK (green) LED is lit, it indicates a working Ethernet
LINK
connection.
If the ACT (yellow) LED flashes, it indicates network activity.
ACT
Note: For additional LED information, go to the STATUS LED table on Page 97.
DB9 Connector Pinouts
RS-422
RS-232
RS-485 Full-Duplex
(Master/Slave)
DCD
Not used
RxD
RxD-
TxD
TxD-
DTR
Not used
GND
Not used†
DSR
Not used
RTS
TxD+
CTS
RxD+
RI
Not used
2-Port LED Descriptions
DeviceMaster Installation and Configuration Guide: 2000506 Rev. B
(also supports RS-485 full-duplex)
RS-485
Half-Duplex
Not used
Not used
TRxD-
Not used
Not used†
Not used
TRxD+
Not used
Not Used

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