| SEL-2730M | SEL-2740S | SEL-2731 | SEL-2741 | SEL-2742S | |
|---|---|---|---|---|---|
| Technology | RSTP | SDN | Unmanaged, RSTP, and SDN | RSTP and SDN | Unmanaged, RSTP, and SDN |
| Ports | 24 | 20 | 24 | 24 | 12 |
| Speed | 8 × 1 Gbps, 16 × 100 Mbps | 4 × 1 Gbps, 16 × 100 Mbps | 8 × 1 Gbps, 16 × 100 Mbps | 24 × 1 Gbps | 4 × 1 Gbps, 8 × 100 Mbps |
| SFP | SEL-signed only | No | Yes | Yes | No |
| Power Supply | Dual high or low | Dual removable | Dual fixed | Dual fixed | Dual fixed |
| Digital Input | No | No | No | Yes | Yes |
| OT SDN Table | N/A | 8K | 8K | 8K | 8K |
| Mounting | Rack, panel, surface, DIN rail | Rack, panel, surface, DIN rail | Rack, panel, surface, DIN rail | Rack, panel, surface, DIN rail | Surface, DIN rail |
| PTP TC | No | Yes, always | Yes, order option | Yes, always | Yes, always |