SERTEL T-GPS-300, Operation Manual

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17.
LINE DRIVER / LINE RECEIVER INTRODUCTION
SERTEL Line Driver is a stand alone, reliable and easy to use device and occupies
very little space . Computer / Instrument terminals are generally
connected to
mainframe installation through RS 232C Interface. Serial port (RS 232C) can
support only upto 50 feet. Beyond this limit , Line Drivers are basically used to boost the
data signals.
FEATURES
Specially designed power supply 100% optical isolation has been provided, both at
input and output.
Protection against cable short circuit.
Surge and lighting protection to safe guard the instrument terminals.
Model No. : T-LD-300, T-LR-300
Type
: Asynchronous
Compatibility
: RS 232 C
Max. Baud rate
: 9600 bps constant (non selectable)
Error rate
: Both input & output are optically isolated
Front Panel
: Signal indicator & ON/OFF Switch
9 pin D connector RS 232 input output connector
Back Panel
: Fuse Holder (500MA) 230 V ac input terminal
Input
: RS 232 C (BHEL DDC Format)
Output : RS
232C
Cable connection : See block diagram (Annexure)
Output connection :
9 pin ‘D’ Connector
(for system)
Input Voltage
: 230V AC both Line Driver & Line Receiver
Temperature
: 0-50 deg.cen
RH : 0-90 deg.cen