Instruction manual

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Copyright ©2009 Diamond Traffic Products
ALL RIGHTS RESERVED
Appendix C. Plugs & Connectors
This section describes the physical hardware connections for connectors on the Phoenix II. Note that the Unicorn,
Phoenix II, & Pegasus all use identical and interchangeable (in most cases) connectors.
Glossary of Abbreviations
CTS Clear To Send [DCE --> DTE]
DCD Data Carrier Detected [DCE --> DTE]
DCE Data Communications Equipment (eg. Modem)
DSR Data Set Ready [DCE --> DTE]
DSRS Data Signal Rate Selector [DCE --> DTE]
DTE Data Terminal Equipment (eg. computer)
DTR Data Terminal Ready [DTE --> DCE]
GND Chassis Ground
NC No Connection
rxCLK Receiver (External Clock)
RI Ring Indicator
RTS Ready To Send [DTE --> DCE]
RxD Received Data [DCE --> DTE]
SG Signal Ground
SCTS Secondary Clear To Send [DCE --> DTE]
SDCD Secondary Data Carrier Detected [DCE --> DTE]
SRTS Secondary Ready To Send [DTE --> DCE]
SRxD Secondary Received Data [DCE --> DTE]
STxD Secondary Transmitted Data [DTE --> DTE]
TxD Transmitted Data [DTE --> DTE]
RS-232 Specifications
Specifications
RS-232
Mode of Operation
Single-Ended
Total Number of Driver/Receivers per line
1
Maximum Cable Length
50 Ft.
Maximum Data Rate
230,400 bps
Maximum Driver Output Voltage
+/- 25V
Driver Output Signal Level (Loaded Min)
Loaded
+/- 5V to 15V
Driver Output Signal Level (Unloaded Max)
Unloaded
+/- 25V
Driver Load Impedance (Ohms)
3K to 7K
Max Driver Current in High Z State
Power On
N/A
Max Driver Current in High Z State
Power Off
+/- 6mA @ +/-2V
Slew Rate (Max)
30V/uS
Receiver Input Sensitivity
+/- 15V
Receiver Input Voltage Range
+/- 3V
Receiver Input Resistance (Ohms)
3K to 7K
The above table is for reference only