Nautilus Hyosung MX5300CE, Руководство по обслуживанию

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Service Manual Chapter3. User Handling Unit
©
Nautilus Hyosung, Inc.
All Rights Reserved. 3-11
Encryption PIN Pad
▶
EPP(Encrypted PIN Pad) is a device that encrypts sensitive data such as customers’
card information and passwords, which requires the highest level of security, and
transmits it to the Host. Therefore, if EPP problem occurs in the field, verify the problem
and replace the entire unit. You cannot disassemble the internal components or replace
them individually.
NO LABELING
DEFAULT
SETTING
DESCRIPTION REMARK
1 CN2 - Power connector(5V)
2 CN3 - Firmware downloading connector
Due to
security
issues, no
repair is
possible in
the field
3 SW3(1,2)
OFF
NV-RAM is clear when No.1
switch is turned ON
OFF
Fuse is open when No.2 switch in
turned ON and at the same time
J1 is short
4 J1 Open
Used for downloading the
Firmware or turning off the fuse
forsecurity reason.
5 J5 - USB communication connector
▶ Common Occurred Problem List
1. In case the EPP cover is detached-- to whatever extent-- due to a mistake made by
an operator or the maintenance personnel
2. In case there is a damage caused by any external shock or static electricity
3. In case the EPP is not connected with an earth cable, which makes it vulnerable to
static electricity
4. In case the battery is discharged.
CN3
cc
LED1
LED5
J1
cc
SW3
(1 2)
CN2
cc
LED2
J5
cc
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