NCR 7169 - Ethernet Interface; TCP Socket; UDP Socket

Communication 4-121
Ethernet Interface
The Ethernet interface uses either 10BASE–t, 100BASE–TX protocol. The Ethernet
version of the 7169 printer offers the web configuration, which configures the Ethernet
settings through a Web browser. For more information, refer to the Communication
Interface Modes on page114.
Protocol
Application Layer TCP Socket, UDP Socket, SNMP, DHCP, HTTP
Transport Layer TCP, UDP
Network Layer IP, ICMP, ARP
Data Link Layer CSMA/CD
Physical Layer 10BASE–t, 100BASE–TX (IEEE802.3 Conforming)
Auto negotiation 10/100Mbps Full/Half Duplex
TCP socket
It transfers printing commands and data, several status commands and its responses
through direct socket communications.
Port number 9100 (Default)
Maximum simultaneous sessions 1
Maximum simultaneous connections 6
Time out 120 seconds (Default)
UDP socket
It transfers real time commands and its responses.
Port number 3000 (Default)