Types Of Serial Cables; Connection Diagram - Examples; Connecting Serial Devices - Lightware UMX-OPT-TX150R User Manual

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2. Installation
2.3.2. Types of Serial Cables
Straight Serial Cable
Straight pin-outs both ends.
Null-modem Serial Cable
Straight pin-out at the one end and cross pin-out at the other end (interchange lines of TX and RX). For the
detailed RS-232 connector pinout see
Serial cables between devices may have male or female plugs and their type may be straight or null-modem
in usual.
ATTENTION! The cable type does not depend on the plug type.

Connection Diagram - Examples

The following cases are Examples. Devices may have different receptacles and pinouts.
Extending RS-232 between Controller System (DTE) and Projector (DCE)
Connect straight serial cable between controller system (DTE) and the transmitter (DCE) and straight serial
cable between receiver (DTE) and projector (DCE).
Controller
system
RS-232
Female - Male
DTE
Pin 2: RD Pin 2: TD
Pin 3: TD Pin 3: RD
Straight serial cable
RS-232 connection Example between a controller system and a projector
RS-232 Port section.
Projector
RS-232
Female - Male
TX RX
DCE
OPT cable
Pin 2: RD Pin 2: TD
Pin 3: TD Pin 3: RD
Straight serial cable
UMX-OPT-TX150R – User's Manual
Extending RS-232 between Computer (DTE) and Computer (DTE)
Connect straight serial cable between controller system (DTE) and the transmitter (DCE) and null-modem
serial cable between receiver (DTE) and computer (DTE).
Computer
RS-232
Female - Male
DTE
Pin 2: RD
Pin 3: TD
Straight serial cable
RS-232 connection Example between two computers
2.3.3. Connecting Serial Devices
Extender units can be UMX-OPT-TX150R and any compatible Lightware fiber optical receiver device. For
more information see the table of
Control from UMX side
Serial cable
If cable's plug and device's receptacle do not match get a suitable cable or use a gender changer.
Female - Male
TX RX
OPT cable
Pin 2: TD Pin 2: RD
Pin 3: RD Pin 3: TD
Null-modem
serial cable
Compatible Devices.
Serial cable
Bidirectional
LW device LW device
RS-232 pass-through
Optical extension
Serial cable
11
Computer
RS-232
DTE
Pin 2: RD
Pin 3: TD