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!