
16 TTPM2 Technical Specification 0309
6 CONTROL BOARD
Controller 8-bit micro controller type Dallas 80C320
Firmware memory 512 Kbytes EPROM
Page memory 128 Kbytes nonvolatile (battery backed up) RAM
Backup battery Expected life: 7 years
Type: 3V Lithium (Varta CR2025 or equivalent)
Interface Serial: RS232C (V.24)
Data format 8 data bits, 1 stop bit, no parity
Transmission speed 1200, 9600, 19200, or 115200 bps, switch selectable
Handshaking Hardware (RTS/CTS) or software (XON/XOFF)
Connection
TTPM2
(9 pole)
PC
(25 pole)
PC
(9 pole)
2 RXD 2 TXD 3 TXD
3 TXD 3 RXD 2 RXD
4 DTR 6 DSR 6 DSR
5 GND 7 GND 5 GND
7 RTS 5 CTS 8 CTS
Set up DIP-switches are accessible through the service opening
at the bottom of the TTPM2 enclosure. The functions of
these DIP-switches are (default settings in parenthesis):
Switch 1
ON
OFF
ON
OFF
Bits/s
1200
(9600)
19200
115200
2
OFF
OFF
ON
ON
3
Read-after-write
ON = Disable for ISO magnetic track 1 or 3 data (OFF)
4
Auto clear
ON = Clear all fixed and variable data during printing (OFF)
5
Handshaking
ON = XON/XOFF, OFF = RTS/CTS (OFF)
6
ACK/NAK + error code
ON = enabled, OFF = Silent (ON)
7
OFF
ON
OFF
ON
Mode
Standard
DCT
CD200
Test
8
OFF
OFF
ON
ON
Standard = Consecutive lower track + single-ticket upper track
DCT = Dual Consecutive Track (formerly called SGA)
CD200 = Card dispenser mode
Test = Reserved setting, not to be used!
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