Modem Standard 56 kbps modem Bell 103
/212a, CCITT
V.21/V.22/V.22bis/V.32/V.32bis (300
/1200/2400/9600/
14400/33.6/56 and HC FastConnect
for 1200 bps)
Protocols Application selects between
asynchronous protocols (Visa 1, Visa 2
and others), and
synchronous protocols (including ISO
8583/ SDLC)
Troubleshooting and support VX820
In case of a malfunction:
Check our for articles that may help you find a solution for the issue.troubleshooting section
Request assistance:
Contact our .First level support
Provide the following information:
Merchant account
PSP (if applicable)
Terminal serial number
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