VeriFone VX 520 Specifications Page 173

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VX 520 REFERENCE GUIDE 173
APPENDIX B
Port Pinouts
The tables in this appendix list pinouts for the VX 520 terminals.
PIN Pad Serial
Port
RS-232 Port
Telco Port
Connector PIN Function Description
1 NC No connection
2 VPINpad
+9V DC regulated power
a
a. Maximum 450 mA.
3 NC No connection
4 NC No connection
5 GND Power ground
6 /RXD Receive data
7 /TXD Transmit data
8 NC No connection
9 NC No connection
10 NC No connection
110
LOOKING INTO
CONNECTOR
Connector PIN Function Description
1 NC No connection
2 9V
3 NC No connection
4 NC No connection
5 GND Power ground
6 /RXD Receive data
7 /TXD Transmit data
8 CTS Clear to send
9 RTS Request to send
10 NC No connection
110
LOOKING INTO
CONNECTOR
Connector PIN Function Description
1 NC No connection
2 NC No connection
3 Tip Telephone line
4 Ring Telephone line
5 NC No connection
6 NC No connection
16
LOOKING INTO
MOD 6P4C
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