PEX-400111
Interface Corporation
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24
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Parallel Interface
Parameter
Specification
Number of channels
1 channel
Signal standard
TTL level (+5 Vdc) (with 1.2 k
Ω
pull-up resistors, overvoltage and
reverse bias protection diodes, and noise filter)
Communications standards
IEEE 1284 standard (Centronics compatible)
Windows standard parallel port Standard parallel ports supported
Isolation No-isolation
Parallel communications
controller
ST78C36 (Exar Corporation) or equivalent
IEEE 1284 transceiver
74LVX161284 (Fairchild Semiconductor Incorporated) or
equivalent
Communications modes
Byte, Compatibility, ECP, EPP, Nibble (depending on your
operating system)
Interrupt sources
ACK signal, ERROR signal (in the ECP mode)
Number of I/O ports
8 ports x 2 + 4 ports