Satec Expertmeter EM720 Operation Manual page 26

Chapter 2 Operating the EM720
LED
LINK
ACT
GSM/GPRS Wireless Communication
26
The port has two indication LEDs that operate as follows:
Color
Green Lights
Red Blinks
The EM720 provides two TCP servers configured for the
Modbus/TCP (on TCP port 502) and DNP3.0/TCP (on TCP
port 20000) communications, and an eXpertPower
client. The TCP servers can support up to 5 simultaneous
Internet connections with client applications.
Connection through the Ethernet port does not require
device identification. The EM720 responds to any device
address and returns the received address in the response
message.
See Setting Up the Ethernet
configure your Ethernet port. See
Client on how to configure the eXpertPower
You can check the Ethernet port MAC address and present
IP address setting via the Device Info display (see
Info Display
An optional GSM/GPRS modem can be provided with the
EM720 for wireless communications via a cellular GPRS
network. It is identified by the EM720 as port COM2.
Communicating with the EM720
Status
The good link is detected
(slightly blinks when the
port receives or transmits
data)
Activity on the port - the
port receives or transmits
data
in Chapter 3).
EM720 Power Quality and Revenue Meter
Description
in Chapter 5 on how to
Setting-Up eXpertPower
TM
client.
TM
Device