Operating instructions

Wood & Douglas Ltd, Lattice House © Wood & Douglas Ltd 2007
Baughurst, Tadley, Hants, RG26 5LP
Tel:[phone] Fax: [phone]
email: [e-mail]
website: www.woodanddouglas.co.uk
1892 1210 - ST500 Transmitter Operating Instructions - v2.12 / May 2007 17
A suitable inverting TTL to RS232 buffer circuit using the industry-standard MAX232 part
is shown in Figure 5.
Figure 5 - Suggested RS232 buffer circuit
The MAX232 is obtainable from many component suppliers, e.g. RS Components stock
no. 655-290.