Communications Manual Rev 3.10 Software Versions 3.xx
003R-618-310
Page 9
Long Ring Network: Multiple Instruments to PC (RXD, TXD, GND)
The Long Ring Network layout can be used in situations where each leg of the
cable run can be up to about 150 m (500 ft) at 9600 baud. If there are
communications errors, lower the baud rate to 4800 or 2400.
Figure 5: RS-232 Long Cable Runs: Ring Network using COM Port (DB9)