| Models |
LP-8121 |
LP-8421 |
LP-8821 |
| System Software |
| OS |
Linux kernel 3.2.14 Inside |
| Embedded Service |
Web Server, FTP Server, Telnet Server, SSH Server |
| SDK Provided |
Standard LinPAC SDK for Windows and Linux by GNU C language |
| CPU Module |
| CPU |
Cortex-A8 (1.0 GHz) |
| SDRAM |
512 MB DDR3 |
| MRAM |
128 KB |
| Flash |
512 MB |
| EEPROM |
16 KB |
| microSD |
microSD slot with one microSD card (support up to 32 GB) |
| RTC (Real Time Clock) |
Provide second, minute, hour, date, day of week, month, year |
| 64-bit Hardware Serial Number |
Yes, for Software Copy Protection |
| Dual Watchdog Timers |
Yes |
| Programmable LED Indicator |
1 |
| Rotary Switch |
Yes (0 ~ 9) |
| DIP Switch |
- |
Yes (8 bits) |
| VGA & Communication Ports |
| VGA |
VGA x 1 (max. resolution up to 1280 x 1024) |
| Ethernet Port |
RJ-45 x 2, 10/100/1000M Base-T |
| USB 2.0 |
2 |
| ttyO4 |
Internal communication with the high profile I-87K series modules in slots |
| ttyO5 |
RS-232 (RxD, TxD and GND); Non-isolation |
| ttyS0 |
RS-485 (Data+, Data-);self-tuner ASIC inside; 3000 VDC isolated |
| ttyS1 |
- |
RS-232/485 (RxD, TxD, CTS, RTS and GND for RS-232; Data+, Data- for RS-485); Non-isolation |
| ttyS34 |
- |
RS-232 (RXD, TXD, CTS, RTS, DSR, DTR, CD, RI and GND); Non-isolation |
| I/O Expansion Slots |
1 |
4 |
8 |
| Mechanical |
| Dimensions (W x L x H) |
95 mm x 132 mm x 111 mm |
231 mm x 132 mm x 111 mm |
355 mm x 132 mm x 111 mm |
| Installation |
DIN-Rail or Wall Mounting |
| Environmental |
| Operating Temperature |
-25 ~ +75 °C |
| Storage Temperature |
-30 ~ +80 °C |
| Ambient Relative Humidity |
10 ~ 90% RH (non-condensing) |
| Power |
| Input Range |
+10 VDC ~ +30 VDC |
| Isolation |
1 kV |
| Redundant Power Input |
Yes, with one power relay (1 A @ 24 VDC) for alarm |
| Capacity |
1.0A, 5V supply to CPU and backplane, 0.6A, 5V supply to I/O expansion slots, total 8 W |
1.1A, 5V supply to CPU and backplane, 4.9A, 5V supply to I/O expansion slots, total 30 W |
1.2A, 5V supply to CPU and backplane, 4.8A, 5V supply to I/O expansion slots, total 30 W |
| Consumption |
7.3 W (0.3 A @ 24 VDC) |
9.1 W (0.38 A @ 24 VDC) |
9.6 W (0.4 A @ 24 VDC) |
