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106 Connecting Peripherals, Hosts, and Modems to the LIU
Connecting a Serial Printer to an LIU
A printer connects to the system via either an asynchronous RS-232-C port in the
LIU, or via the LIU's parallel Centronics port. The printer itself should be installed
according to the manufacturer's instructions. Connect the cabling as follows:
(1) Connect the RS-232-C cable to the printer. Unless you are connecting the
(2) Run the RS-232-C cable from the printer to the LIU (or modem, for remote
All wiring and cabling should be routed and secured according to local
building and safety codes.
(3) Connect the RS-232-C cable to the LIU (or modem, if a remote connection)
(4) Tighten the two screws on the RS-232-C cable.
(5) Power up and verify the operation of the printer according to the manufacturer's
Figure 12-3
Connecting a System Printer to an LIU
Teladapt
Connector
Connecting a Host Computer to an LIU
A host computer (IBM, IBM-compatible, or ASCII-compatible host) connects to the
system via an RS-232-C port in the LIU. The computer itself should be installed
according to the manufacturer's instructions. Connect the cabling as follows:
(1) Connect the RS-232-C cable to the appropriate port in the host. Unless you are
Practice 450-1011-201
printer via a modem, you require a null modem cable. You may want to refer to
the printer manufacturer's documentation for a description of the printer's
RS-232-C port.
connections) according to the floor plan and wiring drawings.
according to Fig. 12-3. Refer to the provisioning tables for the port assignments.
documentation.
Note: The communications parameters of the printer must be compatible with
those set for the communications link in System Administrative Services. The
system administrator sets up the parameters according to the Guide to System
Administrative Services, 450-1011-301.
3-Pair Twisted
Telephone Cable
450-0092
connecting the host via a modem, you require a null modem cable. You may
- WARNING -
LAN
Interface
Unit
RS-232-C Cable
Printer
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