Perle Systems Perle IOLAN DS1 - Manual (Page 128)

Services
128 IOLAN DS1/TS2 User’s Guide, Version 3.4
Field Descriptions
Enable/disable the following options:
Telnet Server Telnet daemon process in the IOLAN listening on TCP port 23.
TruePort Full
Mode The TruePort daemon process in the IOLAN that supports TruePort Full Mode
on UDP port 668. You can still communicate with the IOLAN in Light Mode
when this service is disabled.
Syslog Client Syslog client process in the IOLAN.
Modbus Modbus daemon process in the IOLAN listening on port 502.
SNMP SNMP daemon process in the IOLAN listening on port 161.
DeviceManager DeviceManager daemon process in the IOLAN. If you disable this service, you
will not be able to connect to the IOLAN with the DeviceManager application.
The DeviceManager listens on port 33812 and sends on port 33813.
WebManager
(HTTP) WebManager daemon process in the IOLAN listening on port 80.