RTM II FlexNet User Guide DUG-10009-01
Appendix C Hardware Specifications
C.1 Processor
• Main Processor: 32 bit microcontroller, 72 MHz
• 8 MB non-volatile Flash memory
• 32 MB SDRAM
C.2 Communications
C.2.1 Ports
• USB 2.0 compliant, full speed, local configuration port; Supports MS Windows based local
configuration and test program.
You can use a standard USB 2.0 cable
with connector type A to connector type B like Belkin part
F3U154 (available at most computer or office supply stores) as shown in the example below.
• RS-232 SCADA communications port, DB-9 female and terminal block; Supports DNP 3.0 or
Modbus depending on firmware
• RS-232 Pass Through for IED maintenance port connection, DB-9 female
C.2.2 FlexNet Network
• Two-way - all commands are acknowledged
• Transmit power: 2 W
• Frequency: 900 MHz band, Primary licensed
• 50 Ohm SMA antenna connector
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