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Rev. A Specifications 5-5
UB-E02 Technical Reference Guide
❏ PDU support Get Request
Get Next Request
Set Request
Get Response
Trap
❏ Server port number 161
❏ Trap sending port number 162
5.5.3.3 ENPC
❏ Protocol: UDP/IP
❏ UDP port number: 3289
❏ Compatible packet types: Probe
Initialize
Query
Setup
Notify
5.5.4 Automatic IP Address Assignment Protocols
The UB-E02 supports the DHCP and APIPA protocols for automatic IP address assignment. The
automatic assignment is performed according to the following sequence, and if a protocol is
disabled or fails, the next protocol is tried. When an IP address is acquired, the next protocol is
not tried.
5.5.4.1 IP Address Acquisition by DHCP
❏ Items to acquire: IP address, subnet mask, gateway address
❏ DHCP Discover retries: 4 times
❏ DHCP Discover retry interval: 1st: 4 seconds 2nd: 7 seconds
3rd: 15 seconds 4th: 32 seconds
❏ DHCP Request retries: 10 times
❏ DHCP Request retry interval: 15 seconds
Protocol Sequence Application
DHCP 1 Acquires IP address
APIPA 2 Assigns IP address
manual setting 3 Uses the internal set parameters