External Interfaces; Calibrator; Standard External Interface - Fluke Autoranging CombiScope PM3370B Reference Manual

CHARACTERISTICS
CHARACTERISTICS

1.13 EXTERNAL INTERFACES

1.13.1

Calibrator

WAVEFORM
Shape
INTERNAL
IMPEDANCE
Value
OUTPUT VOLTAGE
Peak-peak value
Tolerance
OUTPUT CURRENT
Peak-peak value
FREQUENCY
Value
Tolerance
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
PINNING
PIN
1
2
3
4
5
6
7
8
9
SPECIFICATION
square wave
1200Ω
600 mV
1%
0.5 mA
2kHz
±20%
I/O NAME
- -
I RXD
O TXD
O DTR
- GND
I DSR
O RTS
I CTS
- -
ADDITIONAL
INFORMATION
See Note 1
See Note 2
CPL (compact
programming
language) See
operating guide
Not connected
Received data
Transmitted data
Data terminal ready
Signal ground
Data set ready
Request to send
Clear to send
Not connected
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