YOKOGAWA ScopeCorder DL850E User Manual

App-26
IM DL850E-01EN
Appendix 7 TCP and UDP Port Numbers
The TCP and UDP port numbers that are used on the Ethernet interface of the DL850E/DL850EV are listed
below.
TCP Port Numbers
Port Number Description Used For
20 File Transfer [Default Data] FTP server, FTP client,
*
and a portion of the
Web server
21 File Transfer [Control] FTP server, FTP client, and a portion of the
Web server
25 Simple Mail Transfer Protocol SMTP client
80 World Wide Web HTT Web server and WebDAV server
515 − LPR client
111
−
Instrument control through the Ethernet
interface
UDP Port Numbers
Port Number Description Used For
67 Bootstrap Protocol Server DHCP client
68 Bootstrap Protocol Client (listen port)
123 Network Time Protocol SNTP client
* The port number when FTP passive mode is disabled. When FTP passive mode is enabled, you can set any
port number. When FTP passive mode is disabled, connections are established from the server. If you are
connecting the DL850E/DL850EV from behind a firewall, enable FTP passive mode.
Appendix

YOKOGAWA ScopeCorder DL850E Specifications

General

Brand	YOKOGAWA
Model	ScopeCorder DL850E
Category	Laboratory Equipment
Language	English