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PIN Functions
Tab. 5
D Type 9 Pin FEMALE Connector
Abbreviation
Full Name
TXD
Transmit Data
RXD
Receive Data
CTS
Clear to Send
DCD
Data Carrier
Detect
DSR
Data Set Ready
DTR
Data Terminal
Ready
RTS
Request To Send
RI
Ring Indicator
RTS / CTS are connected on the Controller connector and DTR is
connected to DSR / DCD on IPCU connector then the DTE see the
IPCU like a Standard MODEM.
Ion Pump Control Unit - Operator / Host Serial
Communication
Ion Pumps Control Unit (Battery Backup) User Manual / 87-900-117-01 (D)
Function
DTE Serial Data Output (TXD), IPCU Serial Data Input
DTE Serial Data Input (RXD), IPCU Serial Data Output
This line indicates that the Modem (Controller) is ready to exchange
data.
When the Modem (IPCU) detects a "Carrier" from the other end of
the line, this line becomes active.
This tells the DTE that the Modem (IPCU) is ready to establish a
link.
This is the opposite to DSR. This tells the Modem (Controller) that
the DTE is ready to link.
This line informs the Modem (IPCU) is ready to exchange data.
Goes active when Modem detects a ringing signal from the PSTN.
Not used on the Controller.
The Controller Report and Operator/Host Command are ASCII
strings CR (0D hexadecimal, 13 decimal) terminated.
Communication Parameters are 9600 bits/sec, no parity,
8 bits data, 1 stop bit.
Usually the human interface of the controller is a terminal
emulator (Windows "HyperTerminal" communication program for
example) running on Personal Computer.
Technical Information
PIN Functions
5
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