SATEC EM920 Installation Manual - Manual (Page 33)

Appendix: Technical Specifications 27
Communication ports
COM1 Built-in Infra Red
communication port
DISPLAY unit
RS232 communication, TTL level,
max baud rate
19.2 kb/s
Protocols MODBUS RTU/ASCII and
DNP3.0
Optically isolated 2500V AC @ 1mn
IR port
Basic
Optical port per ANSI C12.18 Type 2
COM2 Plug-in modules isolated
communication port
RS232 communication, TTL level,
max baud rate
115.2 kb/s
GSM/GPRS module Quad Band GPRS class10
Protocols MODBUS/TCP or DNP3.0/TCP
Isolation 2500V AC @ 1mn
GSM/GPRS
Optional module
4
Antenna connection Coax cable terminated with
SMA connector
COM3 Built-in serial communication
port
RS-485 isolated 115.2 kb/s
Isolation 2500V AC @ 1mn
Protocols MASTER/SLAVE MODBUS
RTU/ASCII and DNP3.0
basic
Terminals for wires size 2 x 2.5 mm 2 shielded twisted
cable
Plug-in modules isolated
communication port
Versatile RS-232/RS-485
Max. Baud rate 115.2 kb/s
Isolation 2500V AC @ 1mn
Protocols MODBUS RTU/ASCII and
DNP3.0
COM4
ETH-TX
Optional module
1
Terminals for wires size 5 x 2.5 mm 2 shielded twisted
cable
Plug-in modules network
communication port
Wired LAN communication port with
auto-negotiation
IEEE 802.3
Ethernet port Baud rate 10/100 Mb/s
Protocols MODBUS/TCP or DNP3.0/TCP
protocols, up to five non-
intrusive simultaneous
connections, Telnet service
port
ETH port Isolation 2500V AC @ 1mn
10/100Base-T
ETH-TX
Optional module
1
ETH connector ETH cable terminated with
Standard RJ-45 connector
Communication port Basic
USB communication port Full speed Device
USB – FS device
basic
USB port Baud rate 12 Mb/s
4 Factory/Meter shop installable