R T M 3 2 0 5 U s e r M a n u a l
91
"Smarter Timing Solutions"
Chapter
Ten
Inputs/Outputs (I/O)
Standard configuration for RTM3205 is two Ethernet ports, antenna input, RS-232 serial port, and a
DC power connector. Up to four optional time and frequency outputs can be configured.
Status and user settings for the output signals can be easily viewed and modified via the console port.
Methods to do this are described in this chapter. Refer to
Appendix K - Specifications
for details on
signals, connector types, pinouts, etc.
Standard I/O
Antenna Jack
This SMA connector mates with the downlead cable from the external antenna.
Ethernet Ports
These two RJ-45 connectors mate with the Ethernet twisted pair cable from the network. They are la-
beled with the corresponding MAC address and either “ETH0” or “ETH1”. Integrated LEDs indicate
link speed (green) and activity (amber). The green LED will pulse once for a speed of 10M, twice for
100M, and three times for 1G. Both ports provide a console interface to RTM3205. See
Chapter 3
- Console Port Control and Status
for more information.
Serial I/O Port
This DB9M connector provides the RS-232 serial I/O console interface to RTM3205. This console
allows you to initialize and maintain RTM3205. See
Chapter 3 - Console Port Control and Status
for more information. See
Appendix K - Specifications, Serial Port I/O
for pinout.
DC Power Input Jack
This 2-position jack provides connection to the DC power source. See
Chapter 2 - Basic Installa-
tion, Performing a Site Survey
for installation instructions.
Output Options
In addition to the standard I/O described above, the RTM3205 can be configured with up to four
optional outputs. These outputs are labeled SPARE if not used. The options are described below:
Summary of Contents for RTM3205
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