| Ethernet | |
| Connector | 4-Pin D-code Female M12 | 
| Compliance | IEEE 802.3 10BASE-T IEEE 802.3u 100BASE-TX  | 
| Port(s) | 1 | 
| Transmission Rate | 10/100 Mbps | 
| Auto MDI/MDI-X | Yes | 
| Serial | |
| Connector | 8-Pin A-Code Female M12 | 
| Mode | RS-232/RS-422/RS-485 | 
| Isolation | No | 
| Port(s) | 2 | 
| Baud rate | 110bps~921kbps | 
| Parity | None, Odd, Even, Mark, Space | 
| Data bits | 5,6,7,8 | 
| Stop Bit | 1,2 | 
| Flow Control | None, Xon/Xoff, RTS/CTS | 
| Power | |
| Connector | 5-Pin M12 Female A-Coding | 
| Input Voltage | 9-48 VDC | 
| Input Current | 0.40A | 
| Power Consumption | 3.6W max. | 
| Reverse Polarity Protection | Yes | 
| Redundancy | Yes | 
| Approval | |
| EMC | FCC Class A, CE Class A | 
| EMS | ESD Level 3, RS Level 3, EFT Level 3, Surge Level 2, CS Level 3, PFMF Level 1, DIP. | 
| Shock | IEC 60068-2-27 | 
| Freefall | IEC 60068-2-32 | 
| Vibration | IEC 60068-2-64 | 
| Railway Application | EN 50155, EN50121-3-2, EN 50121-4 | 
| MTBF | 28 years | 
| Protection | IP68 @ 1 hour | 
| Environment | |
| Operating | -40~75℃(-40~167°F) | 
| Storage | -40°~85°C (-40°~185°F) | 
| Humidity | 5~95%RH(Non-condensing) | 
| Mechanical | |
| (W x H x D) | 79.6mm x 144.6mm x 23.6mm | 
| Material | Metal | 
| Installation | Field-style Mounting | 
| Reset Button | Yes | 
| Weight | 700g | 
| Software | |
| Configuration | Serial Manager / Web UI / Telnet | 
| Virtual COM | Windows / Linux driver | 
| Supported Protocol | IPv4, ICMP, TCP, UDP, DHCP Client, SNMP, HTTP, Telnet, RFC2217, NTP, DNS, SMTP | 
| Link Mode | |
| TCP Server | 4 Connections, Virtual COM, Reverse Telnet | 
| TCP Client | Dual Destinations or Virtual COM | 
| UDP | 4 Ranges of IPs | 
| Warranty | 5 years | 
Ordering code:
| Model Name | P/N | Description | 
| SE8502-M12 | 1P1SE8502M1216G | IP68 Rated 2-Port Serial Device Server with M12 connectors, certified by EN50155 & EN50121-4, Aluminum Housing | 
| SE8502-Sis-M12 | 1P1SE8502M1218G | IP68 Rated 2-Port Serial Device Server with M12 connectors, 2 KV Isolation, certified by EN50155 & EN50121-4, Aluminum Housing |