Electro-Voice 250, 1252 operation manual RJ-11 Communication with Internal Modem Option

RJ-11 Telephone Line allows a Nexus Meter with the Internal Modem Option to communicate with a PC. No other hardware is necessary for this easy-to-use connection. The Nexus 1250/1252 Meter with the Internal Modem Option can connect via RS-485 to other Nexus Meters in local or remote sites in a daisy chain configuration, as depicted below.

The Nexus Meter with the Internal Modem Option has a unique label; Port 2 is labeled Modem Gateway. If you are going to use RS-485 to connect multiple Nexus 1250/1252 meters, you MUST use the Modem Gateway. For more details, see Chapter 10 of this manual.

RS-485

RJ-11

Daisy Chain

	Originate Modem
PC
	(or Internal to PC)

Figure 5.2: RJ-11 Communication with Internal Modem Option

e Electro Industries/GaugeTech Doc # E107706 V1.25 5-2