From the link below it seems like Conlog could have been the company.
Conlog History
The question is just - will you be able to find someone in the company that will be willing and able to assist

The following is their numbers from theirsite:
Tel: +27 (31) 268-1111
Their e-mail address is also there, but knowing South African companies, it probably goes to a dormant account, or at most responded annually....
Keep us posted as the remotes that I had fixed is on the blink again