User`s manual

30 RabbitCore RCM2100

Once you have removed the 0 Ω resistor “jumper,” R5, use a screw in the position indicated

in Figure 9 to attach the RCM2100 board to the chassis ground, thereby grounding the trans-

former/connector assembly.

Figure 9. R5 and Chassis Ground Locations

The RCM2100 is available in quantity without the transformer/connector assembly and

the ACT and LNK LEDs (shown to the right of the transformer/connector assembly in

Figure 9 above) installed. The Ethernet signals and the LED control signals are then avail-

able on header J3 installed on the bottom side of the board for this option, and J3 may then

be plugged in to the rest of the system. An Ethernet transformer and LEDs should be

included on the board that the modified RCM2100 is plugged into.

NOTE: Contact your Rabbit Semiconductor Sales Representative for quantity and pricing

information related to this option.

4.2.3 Programming Port

The RCM2100 has a 10-pin program header labeled J5. The programming port uses the

Rabbit 2000’s Serial Port A for communication. Dynamic C uses the programming port to

download and debug programs.

The programming port is also used for the following operations.

• Cold-boot the Rabbit 2000 after a reset.

• Remotely download and debug a program over an Ethernet connection using the

RabbitLink EG2110.

• Fast copy designated portions of flash memory from one Rabbit-based board (the

master) to another (the slave) using the Rabbit Cloning Board.

Resistor

Insert screw with ring

terminal and ground

other end of wire to

chassis