Class 3200 Meter - E-Mon

CLASS 3200 METER6.9.2 External Modem1. All meters should be connected to the RS-232 key as described in 6.8.2.2. DISCONNECT POWER TO THE RS-232 KEY. Remove the cover by removingthe 2 screws from the bottom of the enclosure.3. On the circuit board, locate the blue jumpers J7 (MODEM) and J8 (ex-MODEM).If these jumpers are set in the DIRECT position, you must move the jumpers sothey are set in the MODEM position. Replace the cover and secure the enclosure.4. Connect the RS-232 key to the external modem using the supplied 8-conductorflat modular cable.5. Connect the 9VDC adapter to the power input on the back of the RS-232 keyand plug it into a 120VAC outlet.IMPORTANT:The modem should use a phone line that is dedicated exclusively to the AMRsystem. Do not use a phone line that is shared by another modem or faxmachine.6.9.3 Baud Rate SelectionThe communication Baud rate on the Class 3200 meter is set through positions 3 and4 on DIP switch S2 on the meter circuit board. The default is 9600 Baud.1. Select 9600 when using the Class 3200 meter with a modem.2. The Baud rate on the meter must always match the Baud rate selected in the E-Mon Energy software; otherwise, communications will not function.3. After a Baud change, press the CPU reset button to register the change.4. All meters in the daisy-chain circuit must be set at the same Baud rate.3 4 BAUD RATEON ON 9600OFF ON 19200ON OFF 38400OFF OFF 76800BAUD RATESELECTIONSWITCHESM33195Fig. 15. Baud Rates.62-0390-02 26