manual

ENCRYPTING PIN PAD (EPP) UPGRADE
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8. Communications Header.
This
optional feature is only applicable
to certain processors. When re-
quired, it must be Enabled and
have the correct data in the header
data field. The Communication
Header consists of alphanumeric
characters.
9. Predial. When this feature is En-
abled, the terminal will dial out to the processor and establish a con-
nection as soon as the customer’s ATM or credit card has been scanned
by the card reader.
**Warning**
Enabling the COMMUNICATION HEADER when using a processor that
doesn’t use this feature will prevent any type of transaction from completing.
Disabling or having incorrect data in the COMMUNICATION HEADER
data field (if the feature is required) will also prevent any type of transaction
from processing