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Wiring and Connections
Serial Port
The Serial port on the rear panel (labelled "10101") is available for diagnostic and troubleshooting
purposes.
Connecting the Serial port on the UDM-0102 is not an essential step in the
installation process.
The Serial port on the UDM-1604is an RJ12 connector, and requires a DB9-to-RJ12 adapter cable
(FG-RS01) to connect to a PC for Terminal control.
Serial Port - Default Communication Settings
Use hyper terminal with default serial settings to communicate with the UDM-1604C (and UDM-
RX01):
Default Serial Settings
Baud Rate:
Data Bits:
Parity:
Stop Bits:
Flow Control:
DB9-to-RJ12 Adapter Cable Pinouts
The following table provides the pinout configuration for the DB9-to-RJ12 adapter cable:
DB9-to-RJ12 Adapter Cable Pinouts
DB9 connector
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
12
9600
8
None
1
None
Function
Abbreviation
Not used
NC
Transmit Data
TD or TX or TXD
Receive Data
RD or RX or RXD Pin 3
Data Set Ready
DSR
Signal Ground
GND
Data Terminal Ready DTR
Not Used
NC
Not Used
NC
Not Used
NC
RJ12 connector
Pin 2
Pin 1
Pin 4, 5
Pin 6
UDM-1604C 4x16 Multi-Format Distribution Hub
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