SELENA Multifunctional LED Clock USER MANUAL V32D
KERA TECHNOLOGIES INC. 2013 www.ledclocks.com
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TO MORE SLAVES IN THE NETWORK
CLOCK WITH
OPTIONAL OPTO-REPEATER
( when required )
( option # 841 )
PC COMPUTER with RS232 or USB
serial port and with installed
PC2KERA driver S/W
( option # 721 )
MASTER CLOCK
( SELENA or Other )
GENERAL MASTER—SLAVE SYSTEM
WITH SELENA OR OTHER MASTER CLOCK, OR A PC USED AS THE MASTER.
RS485, RS232 OR OTHER SYNC COMMUNICATION WIRING AND
THE OPTIONAL OPTO-REPEATER MAY BE USED TO BOOST THE COMMUNICATION SIGNAL.
GPS WWVB
INTERNET
GPS WWVB
INTERNET
RS232 OR RS485
COMMUNICATION
88:88
88:88
88:88
88:88
88:88
88:88
88:88
OPTIONAL
RS-232 (PC) to RS-485
CONVERTER may be necessary
( option # 901 )
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