Data Interface Connections; Ethernet Data Interface (Rj-45); Serial Data Interfaces; Serial Data Connection - GE MDS Master Station Technical Manual
Modular communications platform
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- Installation and operation manual (98 pages) ,
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3.6 Data Interface Connections
Ethernet Data Interface (RJ-45)
The Ethernet interface supports both radio management and payload data transport functions.
For radio management, connecting via a web browser provides enhanced functionality and
ease-of-use over serial/USB methods. Web-based management is the preferred and primary
means of accessing the transceiver through the built-in Device Manager.
SSH may also be used on this connector, and provides the same CLI based user interface availa-
ble via the serial/USB interfaces.
See section "Ethernet Interfaces" on Page 81 for electrical information and connector pinout.
Serial Data Interfaces
and
provided on the front of the Platform Manager module serve as the serial inter-
COM1
COM2
face ports for payload data, radio management, or diagnostics. Management is also available
through the mini USB port. The default factory settings for the radio's
data port to connect to an external DTE serial device. The default factory settings for the radio's
port configure it for management of the radio via a serial connection to a PC. These ports
COM2
are user-configurable for specific applications. The procedures for changing their default opera-
tion are provided later in this guide.
Not all PCs have a serial port. If one is not available, a USB-to-Serial adapter and appro-
priate driver software may be used to provide serial connectivity. These adapters are
available from several manufacturers, including GE MDS.
Serial Data Connection
When used as a data port for an SD Radio Module in Transparent or x710 modes, some pins on
COM1 and COM2 have special behavior determined by configuration. DCD (Data Carrier De-
tect) is asserted when the radio received an on-frequency signal. RTS (Request-to-Send) can be
configured to key the transmitter when asserted. CTS (Clear-to-Send) can be configured to go
"high" after the programmed CTS delay time has elapsed (DCE), or can be configured to key
another connected radio when RF data arrives (CTS KEY
The included Com Port Adapter Cable 73-2434A25 can be used to convert the unit's RJ-45 serial
jack to a DB-9F type connector.
22
MDS™ Master Station
port is as a serial
COM1
MDS 05-6399A01, Rev. E
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