Long Description:
The DH-PFS3218-16ET-135 is a 100 Mbps unmanaged PoE switch with dual uplink ports, designed for small and medium-scale monitoring networks such as offices, schools, hotels, supermarkets, and hospitals. It features a functional DIP switch that enables port isolation, long-distance power supply, PoE watchdog, and QoS control.
Equipped with Gigabit uplink optical ports, it meets the requirements of long-distance transmission. With a PoE budget of 135W, intelligent PoE management, and wide operating temperature range, it ensures stable and smooth transmission in diverse environments.
TECHNICAL DETAILS:
| Specification | Details |
| Model | DH-PFS3218-16ET-135 |
| Layer | Layer 2 |
| Managed | No |
| Switching Capacity | 7.2 Gbps |
| Packet Forwarding Rate | 5.3568 Mpps |
| Packet Buffer Memory | 4 Mbit |
| MAC Table Size | 8K |
| Standards Compliance | IEEE802.3; IEEE802.3u; IEEE802.3x; IEEE802.3ab; IEEE802.3z |
| Ethernet Ports | 16 × RJ45 10/100 Mbps |
| Uplink Ports | 2 × RJ45 10/100/1000 Mbps (combo with 2 × SFP 1000 Mbps) |
| Ethernet Port Rate | 100 Mbps |
| Optical Port Rate | 1 Gbps |
| Power Supply | 100–240V AC |
| Power Consumption | Idle: 5W; Full load: 135W |
| PoE Standard | IEEE802.3af; IEEE802.3at; Hi-PoE |
| PoE Budget | Port 1–2 ≤ 60W; Port 3–16 ≤ 30W; Total ≤ 135W |
| PoE Pin Assignment | 1, 2, 4, 5 (V+); 3, 6, 7, 8 (V–) |
| Long-Distance PoE Transmission | Supported |
| Functions | VLAN port isolation; QoS; PD Alive (PoE watchdog) |
| Operating Temperature | –10 °C to +55 °C |
| Operating Humidity | 10%–90% |
| Storage Humidity | 5%–95% |
| ESD Protection | Air discharge: 8kV; Contact discharge: 6kV |
| Lightning Protection | Common mode: 4kV; Differential mode: 2kV |
| Dimensions | 440 × 300 × 44 mm |
| Packaging Dimensions | 527 × 412 × 110 mm |
| Ordering Information | SFP modules: GSFP-1310T-20-SMF, GSFP-1310R-20-SMF, GSFP-1310-20-SMF, GSFP-850-MMF |
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