| 100/1000BaseSFP Slots, Priority Queues | 4 |
| Ambient Relative Humidity | 5 to 95% (non-condensing) |
| Buttons | Reset button |
| Connection | 2 removable 4-contact terminal block(s) |
| Console Port | USB-serial console (Type B connector) |
| Digital Input Channels | 1 |
| Dimensions | 79.2 x 135 x 137 mm (3.1 x 5.3 x 5.4 in) |
| DIP Switches | Turbo Ring, Master, Coupler, Reserve |
| EMI | FCC Part 15B Class A |
| Freefall | IEC 60068-2-32 |
| Housing | Metal |
| IGMP Groups | 2048 |
| Input Current | 0.34 A at 24 VDC |
| Input Voltage | 12/24/48/-48 VDC |
| IP Rating | IP30 |
| Jumbo Frame Size | 9.6 KB |
| LED Indicators | PWR1, PWR2, STATE, FAULT, 10/100M (TP port), 1000M (TP port), 100/1000M (SFP port), MSTR/HEAD, CPLR/TAIL, smart PoE LED (EDS-G512E-8PoE-4GSFP Series only) |
| MAC Table Size | 8 K |
| Maximum Number of VLANs | 256 |
| Operating Temperature | -10 to 60?C (14 to 140?F) |
| Operating Voltage | 9.6 to 60 VDC |
| Overload Current Protection, Reverse Polarity Protection | Supported |
| Packet Buffer Size | 4 Mbits |
| Power Substation | IEC 61850-3 ; IEEE 1613 |
| Railway | EN 50121-4 |
| Safety | UL 508 |
| Shock | IEC 60068-2-27 |
| Standards | Telcordia (Bellcore), GB |
| Storage Port | USB Type A |
| Storage Temperature (package included) | -40 to 85?C (-40 to 185?F) |
| Time | 816,823 hrs |
| Traffic Control | NEMA TS2 |
| Vibration | IEC 60068-2-6 |
| VLAN ID Range | VID 1 to 4094 |
| Weight | 1,440 g (3.18 lb) |