Power Requirements:
  LC4A
  LC4B
  LC4DC

115 VAC ± 10 VAC, 60 Hz
220 VAC ± 20 VAC, 50 Hz
10 - 28 VDC, 1.5 amperes @ 10 VDC, 0.50 amperes @ 24 VDC

Power Dissipation:

less than 8 watts @ 25 °C

Operating Temperature:

0 to 70 °C
95% relative humidity, non-condensing

Interface:

one full duplex, RS-422/485 serial port
one full duplex, selectable RS-232 or RS-422/485 port
one expansion bus for daughter card

Baud Rate:

300 to 38,400 baud

Distance:
  RS-422/485

  RS-232

up to 5,000 feet total length
up to 100 multidrop stations
up to 50 feet

CPU:

64180, 8-bit microprocessor

CPU Clock Frequency:

6.144 MHz

EPROM:

32K bytes

RAM:

64K CMOS with battery backup
(32K for the application program and 32K for a RAM disk)

Real-Time Clock:

clock/calendar with battery backup,
0.01 second resolution (Interrupt)

RAM/Clock Battery:

3 volt lithium, over 10 year life

Indicators:

power, host transmit and receive, and Optomux transmit and receive

Jumper Options:

auto run
baud rates
LC4 address
termination and biasing resistors