| Performance | Port Mirroring Multiple-to-one |
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| Layer | Layer 2 Multicast IGMP Snooping v1/v2/v3 |
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| Managed | Yes DHCP DHCP client/server; DHCP snooping |
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| 交換容量 | 52 Gbps User management HTTPS SSH |
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| 包轉發率 | 38.688 Mpps |
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| 安全 | SNMP V1/V2/V3 ACL |
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| Packet Buffer Memory | 4 Mbit 802.1x Loop protection |
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| MAC Table Size | 8K 8 output queues for each port |
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| VLAN Amount | 4K Traffic shaping, port tag remarking QoS QoS based on CoS/DPL/PCP IEEE802.3; IEEE802.3u; IEEE802.3x; IEEE802.3ab; QoS based on DSCP" Standards Compliance IEEE802.3z Uploading/downloading configuration files |
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| Hardware Feature | System Maintenance Online upgrade System logs |
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| Standard Power Supply | Yes Web (http and https protocol); iLinksView; CLI; SNMP V1/ Device Management V2C/V3 |
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| PoE | Yes |
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| Ethernet Port | 24 Air discharge: 8kV ESD |
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| Optical Port | 2 Contact discharge: 6kV Common mode: 4kV |
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| Ethernet Port Rate | 1 Gbps Thunder-proof Differential mode: 2kV |
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| Optical Port Rate | 1 Gbps 440 mm × 300 mm × 44 mm Dimensions (17.32" × 11.81" × 1.73") (L × W × H) Port 1-24: 24 × RJ-45 10 M/100 M/1000 M (PoE) Packing box: 527 mm × 412 mm × 110 mm Number of Business Card Port 25-26: 2 × RJ-45 10 M/100 M/1000 M (uplink) (20.75" × 16.22" × 4.33") (L × W × H) |
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| Slots | Port 25-26: 2 × SFP 1000 M (uplink) (combo) Packaging Dimensions Protective box: 584 mm × 549 mm × 446 mm (22.99" × 21.61" × 17.56") (L × W × H) |
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| Debugging | Console × 1 |
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| 供電 | 100V–240V AC |
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| 工作溫度 | –10 °C to +55 ° (14 °F to 131 °F) |
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| 工作濕度 | 10% RH–90% RH Idling: 20W Power Consumption Full load: 240W |
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| PoE 標準 | IEEE802.3af/ IEEE802.3at/ Hi-PoE/IEEE802.3bt |
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| PoE Budget | Port 1-2 ≤ 90W, Port 3-24 ≤ 30W, total ≤ 240W |
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| PoE Pin Assignment | 1, 2, 4, 5 (V+), 3, 6, 7, 8 (V-) Power consumption management Power on and power off |
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| PoE Management | Power down for overload Green PoE Legacy support Long Distance PoE 250 m long-distance power supply Transmission |
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| MAC 位址表 | MAC address table configuration |
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| Spanning Tree Protocol | STP; RSTP; MSTP |
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| VLAN | IEEE802.1q Standard VLAN Support IEEE 802.3x (full duplex flow control) and back Flow Control pressure flow control (half duplex) www.dahuasecurity.com |
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| Transmission Performance: | Installation Switch power supply voltage 53V. CAT5E/CAT6. Max. DC resistance < 10 Ω/100 m |
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| Cable(m) | Load Capacity(W) Bandwidth(Mbps) IEEE802.3bt 90 W 100 71.3 100 150 62 10 200 51 10 250 40 10 Hi-PoE 60 W 100 53 100 150 50 10 200 47 10 Dimensions (mm [inch]) 250 37 10 44.0 [1.73] |
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| IEEE802.3at 30 W | 440.0 [17.32] 4.3 [0.17] 1.0 [0.04] 100 25.5 100 150 25.5 10 200 25.5 10 250 25.5 10 Note: Data from this table was collected by Dahua test lab and is for reference only . The actual transmission distance may vary due to power consumption of connected devices or the cable type and status. 300.0 [11.81] Ordering Information |
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| 類型 | Model Description 1.25 G 850 nm, 2 km, LC, PFT3950 |
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| Multimode, Class 1 | Application 1.25 G 1310/1550 nm, 20 km, LC, |
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| Accessories | PFT3960 |
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| Single-mode, Class 1 | DH-PFS4226-24GT2GF-240 1.25 G 1550/1310 nm, 20 km, LC, PFT3970 Single-mode, Class 1 PoE IPC NVR PoE IPC |
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| Rev 002.000 | © 2023 Dahua. All rights reserved. Design and specifications are subject to change without notice. The images, specifications and information mentioned in the document are only for reference, and might differ from the actual product. www.dahuasecurity.com |
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