Product specifications

ER-A520/A530 Dealer Knowledge Book
Page 252 of 266 Specifications subject to change without notice: Revision date 10/07
Preparing the ER-A520/530
1. The ER-A520/530 SIO Function Connection:
The Program Back Up/Restore (SIO) function has been fixed to port-2 (CH #2) of the ER-A520/530 as
shown below.
When using the SIO function, the connection for the cable is port-2 (CH-2).
COM-1
COM-2