14.4Kbps Modem Option Installation
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ADP Incorporated
Overview of the 14.4Kbps Modem Option
The figure that follows illustrates the 14.4Kbps Modem option.
The 14.4Kbps Modem option board’s main components are:
J1 is the RJ-11 jack used to connect the telco cable to the telephone line.
LED1 is a bank of four light emitting diodes (LEDs) that provide status information
about the modem option. The LEDs are described as follows:
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Ring Indicator (RI) - The RI LED lights when the RS-485 modem option is
being called from eTIME.
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Carrier Detect (CD) - The CD LED lights when the RS-485 modem option has
detected a carrier signal, thus signifying a connection between modems.
!
Receive Data (RD) - The RD LED lights when the timeclock is receiving data
from eTIME.
!
Send Data (SD) - The SD LED lights when the timeclock is sending data to
eTIME.
P1 is a keyed eight-pin connector that connects the RS-485 modem option to the
timeclock’s main board.
LED1
J1
P1
