* Incorporate Serial Devices in an Ethernet network
    * "Virtual COM" Extend COM Ports
    * Virtual COM on Windows NT 4.0, 2000/XP/2003 and Vista32
    * Powerful Programmable Device Server
    * Watchdog Timer suitable for use in harsh environments
    * Power Reverse Polarity Protection
    * Serial Port +/-4 kV ESD Protection Circuit
    * Self-Tuner ASIC Controller on the RS-485 Port
    * 5-digit LED Display (for versions with a display)
    * RoHS Compliant with no Halogen
    * Built-in High Performance MiniOS7 from ICP DAS
    * 10/100 Base-TX Ethernet, RJ-45 Port
      (Auto-negotiating, auto MDI/MDI-X, LED indicator)
    * ODM Service Is Available
    * Low power consumption
    * Palm-Sized with multiple Serial Ports
    * Made from fire retardant materials (UL94-V0 Level)
    * [PPDS-720(D)-MTCP only] Supports Modbus TCP to RTU/ASCII Gateway
    * Supports PoE (IEEE 802.3af, Class 1)

      
Specification
    
      
Models     PDS-720(D)     PPDS-720(D)-MTCP

CPU
CPU             80186-80 MHz or compatible
SRAM             512 KB
Flash Memory     Flash ROM: 512 KB; Erase unit is one sector (64 KB); 100,000 erase/write cycles
EEPROM             16 KB; Data retention: 40 years; 1,000,000 erase/write cycles
Built-in Watchdog Timer     Yes

Communication Interface
Non-isolated     COM1     RS-232 (TxD, RxD, RTS, CTS, GND)
                COM2     RS-485 (D2+, D2-, GND)
Ethernet     10/100 Base-TX, RJ-45 port
                (Auto-negotiating, auto MDI/MDI-X, LED indicator)
PoE             IEEE 802.3af ( only PPDS-720(D)-MTCP)

COM Port Formats
Data Bit         7, 8: for COM1 and COM2
Parity             None, Even, Odd, Mark, Space
Stop Bit        1: for COM1, COM2
Baud Rate     115200 bps Max.

LED Indicators
5-digit 7 Segment     Yes, only for "D" versions
System                    Red
PoE                        Green (only PPDS-720(D)-MTCP)

Power
Protection                        Power Reverse Polarity Protection
Required Supply Voltage    +10 VDC ~ +30 VDC (non-regulated)     
                                       PoE or +12VDC ~ +48 VDC (non-regulated) (only PPDS-720(D)-MTCP)
Power Consumption        PDS-720: 2.0 W
                                     PDS-720D: 2.7 W
                                     PPDS-720-MTCP: 2.2 W
                                     PPDS-720D-MTCP: 2.9 W

Mechanism
Flammability                    Fire Retardant Materials (UL94-V0 Level)
Dimension (W x H x D)     72 mm x 112 mm x 35 mm
Installation                       DIN-Rail or Wall mounting
Casing                             Fire Retardant Plastic

Environment
Operating Temperature     -25 ~ +75 °C
Storage Temperature        -40 ~ +80 °C
Humidity                          5 ~ 90% RH, non-condensing