6
2.2.3 Rear View 
 
 
 
 
 
1. Fan-fold paper entrance chute 
2. Centronics interface 
3. USB interface 
4. RS-232C interface 
5. Power jack socket 
6. GPIO interface 
*7. SD card slot 
8. Ethernet interface 
9. PS/2 interface 
10. Power switch 
 
 
* Recommended SD card specification. 
SD card spec  SD card capacity Approved SD card manufacturer 
V1.0, V1.1  128 MB  SanDisk, Transcend 
V1.0, V1.1  256 MB  SanDisk, Transcend, Panasonic 
V1.0, V1.1  512 MB  SanDisk, Transcend, Panasonic 
V1.0, V1.1  1 GB  SanDisk, Transcend, Panasonic 
V2.0 SDHC CLASS 4  4 GB     
V2.0 SDHC CLASS 6  4 GB    SanDisk, Transcend, Panasonic 
V1.0, V1.1  microSD 128 MB  Transcend, Panasonic 
1 
3 
5 
4 
2 
10 
6 
7 
8 
9 
Note:   
1. SD card slot, Ethernet interface and PS/2 interface are standard 
interfaces for TTP-2410M/TTP-346M models, but optional for 
TTP-246M Plus/TTP-344M Plus models.
 
2. GPIO interface card includes SD card slot, Ethernet and PS/2 
interfaces. So GPIO interface is an factory option for 
TTP-2410M/TTP-346M, but a dealer option for TTP-246M 
Plus/TTP-344M Plus models.