| Specifications | |
| Network Interface | |
| Ethernet Port | 2x 10/100BASE-T(X) RJ-4545 or 2x SFP Slots | 
| LAN Mode | Dual Subnets or LAN Redundancy | 
| Compliance | IEEE 802.3 10BASE-T IEEE 802.3u 100BASE-TX IEEE 802.3z for 1000BASE-X | 
| Serial Interface | |
| Connector | 1x2 5 pin 3.81mm Terminal Block, or D-sub9 connector | 
| Mode | RS-232/422/485, software selectable | 
| Port(s) | 4 | 
| Baud rate | 1200~921,600 bps | 
| Parity | None, Odd, Even, Mark, Space | 
| Data bits | 7,8 | 
| Stop Bit | 1,2 | 
| Flow Control | None, Xon/Xoff, RTS/CTS (RS-232 only) | 
| Isolation | 3 KV | 
| USB Interface | |
| Speed | USB 2.0 | 
| Connector | USB A Type *1 | 
| Power Characteristic | |
| Connector | 3-Pin 5.08mm Lockable Terminal Block | 
| Input Voltage | 12-48 VDC, or 48 VDC (supplied by PoE) | 
| Power Consumption | 0.65A @ 12VDC | 
| Reverse Polarity Protection | Yes | 
| Redundancy | Yes | 
| Relay Output | 1A@30 VDC (normal open) | 
| Approval | |
| EMC | FCC Part 15, Subpart B, Class A EN 55032 EN 61000-3-2 EN 61000-3-3 EN 55024 | 
| Safety | EN 60950-1 | 
| Shock | IEC 60068-2-27 | 
| Drop | IEC 60068-2-32 | 
| Vibration | IEC 60068-2-64 | 
| RoHS | Yes | 
| MTBF | TBD | 
| Environment | |
| Operating | -40°C ~ 85°C (-40°F ~ 185°F) | 
| Storage | -40°C ~ 85°C (-40°F ~ 185°F) | 
| Humidity | 5~95%RH(Non-condensing) | 
| Mechanical | |
| Housing | IP30 protection, metal housing | 
| Dimensions (W x H x D) | 55mm x 145mm x 113mm | 
| Installation | DIN-Rail or Wall-Mount (optional kit) | 
| Reset Button | Yes | 
| Weight | 1000g | 
| Software | |
| Configuration | eNode /Web UI | 
| Supported Protocol | IPv4, ARP, ICMP, TCP, UDP, DHCP Client, DNS Client, Telnet, HTTP, HTTPS, SNMP v1/v2c/v3, Syslog, IPsec VPN peer-to-peer and peer-to-side, with a maximum VPN throughput of 37.9Mbps(*) | 
| Approval | |
| EMC | FCC Part 15, Subpart B, Class A EN 55032 EN 61000-3-2 EN 61000-3-3 EN 55024 | 
| Safety | UL61010-2-201 | 
| Shock | IEC 60068-2-27 | 
| Drop | IEC 60068-2-32 | 
| Vibration | IEC 60068-2-64 | 
| RoHS | Yes | 
| MTBF | TBD | 
| Warranty | 5 years | 
Ordering code:
| Model Name | Description | 
| PG5904D-4P-DB | Industrial 4-Port Protocol Gateway, 10/100BASE-T(X), DB9 | 
| PG5904D-4P-TB | Industrial 4-Port Protocol Gateway, 10/100BASE-T(X), TB5 | 
| PG5904D-4P-Sis | Industrial 4-Port Protocol Gateway, 10/100BASE-T(X), Isolation | 
| PG5904D-4P-PoE-DB | Industrial 4-Port Protocol Gateway, 10/100BASE-T(X) with PoE, DB9 | 
| PG5904D-4P-PoE-TB | Industrial 4-Port Protocol Gateway, 10/100BASE-T(X) with PoE, TB5 | 
| PG5904D-4P-PoE-Sis | Industrial 4-Port Protocol Gateway, 10/100BASE-T(X) With PoE, Isolation | 
| PG5904D-4P-G-DB-SFP | Industrial 4-Port Protocol Gateway, 1000BASE-X with SFP Slot, DB9 | 
| PG5904D-4P-G-TB-SFP | Industrial 4-Port Protocol Gateway, 1000BASE-X with SFP Slot, TB5 | 
| PG5904D-4P-G-Sis-SFP | Industrial 4-Port Protocol Gateway, 1000BASE-X with SFP Slot, Isolation | 
 
| Protocols | Description | 
| 04ES-01SM | IEC 60870-5-104 Ethernet Server to IEC 60870-5-101 Serial Master | 
| 04ES-DNSM | IEC 60870-5-104 Ethernet Server to DNP3 Serial Master | 
| 04ES-MBSM | IEC 60870-5-104 Ethernet Server to Modbus Serial Master/span> | 
| DNES-01SM | DNP3 Ethernet Server to IEC 60870-5-101 Serial Master | 
| DNES-MBSM | DNP3 Ethernet Server to Modbus Serial Master | 
| DNSS-DNEC | DNP3 Serial Slave to DNP3 Ethernet Client | 
| DNSS-MBEC | DNP3 Serial Slave to Modbus Ethernet Client | 
| MBES-01SM | Modbus Ethernet Server to IEC 60870-5-101 Serial Master | 
| MBES-DNSM | Modbus Ethernet Server to DNP3 Serial Master | 
| MBSS-04EC | Modbus Serial Slave to IEC 60870-5-104 Ethernet Client | 
| MBSS-DNEC | Modbus Serial Slave to DNP3 Ethernet Client | 
| 04ES-03SM | IEC 60870-5-104 Ethernet Server to IEC 60870-5-103 Serial Master | 
| 50ES-01SM | IEC 61850 Ethernet Server to IEC 60870-5-101 Serial Master | 
| 50ES-03SM | IEC 61850 Ethernet Server to IEC 60870-5-103 Serial Master | 
| 50ES-DNSM | IEC 61850 Ethernet Server to DNP3 Serial Master | 
| 50ES-MBSM | IEC 61850 Ethernet Server to Modbus Serial Master | 
| DNES-03SM | DNP3 Ethernet Server to IEC 60870-5-103 Serial Master | 
| MBES-03SM | Modbus Ethernet Server to IEC 60870-5-103 Serial Master | 
| 04ES-DNEC | IEC 60870-5-104 Ethernet Server to DNP3 Ethernet Client | 
| 04ES-MBEC | IEC 60870-5-104 Ethernet Server to Modbus Ethernet Client | 
| DNES-04EC | DNP3 Ethernet Server to IEC 60870-5-104 Ethernet Client | 
| DNES-MBEC | DNP3 Ethernet Server to Modbus Ethernet Client | 
| MBES-04EC | Modbus Ethernet Server to IEC 60870-5-104 Ethernet Client | 
| MBES-DNEC | Modbus Ethernet Server to DNP3 Ethernet Client | 
| 04ES-50EC | IEC 60870-5-104 Ethernet Server to IEC 61850 Ethernet Client | 
| 50ES-04EC | IEC 61850 Ethernet Server to IEC 60870-5-104 Ethernet Client | 
| 50ES-DNEC | IEC 61850 Ethernet Server to DNP3 Ethernet Client | 
| 50ES-MBEC | IEC 61850 Ethernet Server to Modbus Ethernet Client | 
| DNES-50EC | DNP3 Ethernet Server to IEC 61850 Ethernet Client | 
| MBES-50EC | Modbus Ethernet Server to IEC 61850 Ethernet Client |