700M HFID 6-2-15
149
Serial Interface
The serial interface enables remote control of the analyzer by a master computer. It is
implemented as an RS232 V24 interface and meets all requirements of the AK protocol.
A 9-pin male connector at the back of the unit is used to connect a master computer with the
following pin assignment:
Figure 0-1 Serial Interface
Pin 3 = Txd (transmit)
Pin 2 = Rxd (receive)
Pin 5 = Gnd (ground)
Interface Specifications
Baud Rate: 9600, 4800, 2400, 1200, 600, 300 baud
Data Bits: 7 or 8
Stop Bit: 1 or 2
Don’t Care: 1 byte, adjustable (e.g. 32)
Parity: Even, odd, none
XON/XOFF: Active or not active
Hand Shake: No
Ethernet RJ47
If connecting directly to a computer (without using a hub or switch), a crossover cable is
required.
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