User Manual

6-1
IM 04L21B01-17EN
Specifications
1
2
3
4
5
6
App
Index
6.1 Ethernet Interface Specifications
Basic Specifications
Electrical and mechanical specifications: Conforms to IEEE 802.3 (Ethernet frames
conform to the DIX specification)
Transmission medium type: 10BASE-T
Protocol: TCP, IP, UDP, ICMP, ARP, FTP, HTTP,
SNTP, SMTP
Maximum Number of Connections and Number of Simultaneous Uses
The following table indicates the number of simultaneous uses (number of users that
can use the function simultaneously), the maximum number of connections, and the port
number for each function.
Function Maximum
Number of
Connections
Number of Simultaneous Uses Port Number
4
Administrator User
Setting/measurement
server
3 1 2
1
34260/tcp
2
Maintenance/test server 1 1 1
1
34261/tcp
2
FTP server 2 2 2
1
21/tcp
3
Web server (HTTP) 1 − − 80/tcp
3
SNTP server − − − 123/udp
3
Modbus server 2 − − 502/tcp
3
Instrument information
server
− − − 34264/udp
2
1 There are user limitations. For details, see section 1.1.
2 The port numbers are fixed.
3 The default port number. You can set the value in the range of 1 to 65535. Use the default
port number unless there is a special reason not to do so.
4 Assign a unique port number to each function.
Chapter 6 Specifications