CHARACTERISTICS
1 - 31
CHARACTERISTICS
SPECIFICATION
ADDITIONAL
INFORMATION
1.13 EXTERNAL INTERFACES
1.13.1
Calibrator
WAVEFORM
Shape
square wave
INTERNAL
IMPEDANCE
Value
1200
Ω
OUTPUT VOLTAGE
Peak-peak value
600 mV
See Note 1
Tolerance
1%
OUTPUT CURRENT
Peak-peak value
0.5 mA
See Note 2
FREQUENCY
Value
2kHz
Tolerance
±
20%
Note 1: Positive going with respect to ground; Open voltage (halves when
terminated with 1200
Ω
).
Note 2: When output short circuited (halves when terminated with 1200
Ω
).
1.13.2
Standard external interface
TYPE OF INTERFACERS 232-C
CPL (compact
programming
language) See
operating guide
PINNING
PIN
I/O
NAME
1
-
-
Not connected
2
I
RXD
Received data
3
O
TXD
Transmitted data
4
O
DTR
Data terminal ready
5
-
GND
Signal ground
6
I
DSR
Data set ready
7
O
RTS
Request to send
8
I
CTS
Clear to send
9
-
-
Not connected