Visara LINCS Features - Manual (Page 40)

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LINCS Features
707021-001
TN3270 Client
An extension of the TELNET Host Connectivity feature, TN3270 host Connectivity provides
all authorized CUT-type terminals access to TN3270 servers, such as another LINCS server.
LINCS provides client emulation compliant with RFC1576.
To use this feature, the user will establish a TELNET connection to a TN3270 server. The
connection process, from the user’s perspective will be identical to any other TELNET Host
Connection from the LINCS software. After a TELNET connection has been established, a
TN3270 session is established by the client and server negotiating three TELNET options:
BINARY transmission, TERMINAL-TYPE, and End of Record(EOR). Until all three options
are successfully negotiated TELNET NVT ASCII data will be exchanged between the server
and client. After the TN3270 session is created, however, 3270 data is passed between the
server and the client.
Configuration and Management for TN3270 Client
Configuration – The configuration for connecting to a TN3270 Server is the same as for
connecting to any TCP/IP Host. The only difference is the configuration of some TN3270
specific information in the ASCII Session Profile. Refer to the ASCII Session Profile description
in the Central Control document for more details.
Management – same as for any other ASCII Host session over TCP/IP.
TCP Print Server
LINCS provides a TCP/IP raw socket print requester for sending LU1, LU3 and local print
requests to printers attached to a TCP/IP network. This feature can help to consolidate costly
print resources. The TCP server protocol is a client and server relationship that utilizes TCP/
IP. The TCP print client will initiate a standard TCP connection to a specific IP address and
TCP port, which identifies the printer to be used. The TCP port and IP address are normally
configurable at the print server.
Multiple TCP/IP print servers may be defined for a single LINCS platform. Some or all of the
servers may be TCP print servers. Each line with TCP/IP protocol enabled may be assigned
one or more TCP print servers.
Each TCP print server must be assigned to one or more locally attached system printer sessions
and allows multiple logical sessions to be supported on these printers. The TCP print server,
also, may be assigned to coax host addressable printer sessions but not ASCII host addressable
printer sessions. The TCP server cannot be assigned to any LAN printer sessions.
The TCP print server does not buffer or spool print data; it prints the data as it is received. TCP
flow control is used to control data flow from the TCP print client.
Configuration for TCP Print Server
Configuration – This section describes the Configuration utilities which are used to define
TCP/IP Print Servers. The TCP Print Server Menu in Configuration(Submenu List) may also
be used to guide you through these utilities.
The Line Options utility is used to enable TCP/IP on the desired lines.
If TCP/IP is enabled on a line, a TCP/IP Options panel will be displayed next in configuration,
which allows you to tailor additional TCP/IP Options.