Professional High Power 28-Port Gigabit Easy Smart Switch with 24-Port PoE+
- Easy to Use, Multi-Purpose PoE Switch with Powerful Performance
Multiple Application Scenarios
- The TL-SG1428PE is fully compatible with PoE devices, such as IP cameras, access points, and IP phones. It also works with non-PoE wired devices to provide gigabit connections, such as PCs, printers, and IPTV.
Dedicated 24 PoE+ Ports (250 W Budget) for Numerous Applications
- Compliance with the 802.3af/at PoE+ standard supports up to 30 W on each PoE port. The total 250 W PoE power budget* for the 24× gigabit PoE+ ports makes it has a wide range of applications, such as surveillance, offices, dormitories, and small businesses. It is fully compatible with IP cameras, access points, IP phones, computers, printers, etc.
QoS for a Lag-Free Experience
- Ensures smooth traffic for latency-sensitive applications, such as voice and video
IGMP Snooping for Multicast Optimization
- Ensures a better network experience, especially for applications like IPTV, by optimizing multimedia traffic delivery.
VLAN for Security
- Helps to create a network with higher security and better overall performance by dividing the network into smaller groups
Making Management Easy
- TL-SG1428PE offers network monitoring for users to observe traffic behavior. Through its web-based user interface and management utility, the TL-SG1428PE offers a variety of useful features, including network monitoring, traffic prioritization, and enhanced QoS.
System Self-Healing with PoE Auto Recovery
- The switch automatically detects and reboots the PD devices, such as cameras and APs, when they fall offline or go unresponsive, guaranteeing the stable operation of PoE-connected devices, without need for manual monitoring and restart.
Intelligent Power Management to Prevent Power Overload
- Automatically cuts lower priority ports’ power to ensure high-priority ports’ power supply when the total PoE power consumption exceeds 250 W. This protects the device from power overload operation.
Great Compatibility with PD Detection
- Automatically detects the required PoE power for your device and protects your non-PoE equipment from being damaged.
Wide Operating Temperature with Good Heat Dissipation
- Durable metal casing and professional heat dissipation design ensure the wide operating temperature (0–50?) with reliability.
Specifications
HARDWARE FEATURES
- Standards and Protocols:
• IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3x
• IEEE 802.3af, IEEE 802.3at, IEEE 802.1q, IEEE 802.1p
- Interface
• 26 10/100/1000 Mbps RJ45 Ports
• 2 Gigabit SFP Ports
- Network Media
• 10BASE-T: UTP category 3, 4, 5 cable (maximum 100m)
• EIA/TIA-568 100? STP (maximum 100m)
• 100BASE-TX: UTP category 5, 5e cable (maximum 100m)
• EIA/TIA-568 100? STP (maximum 100m)
• 1000BASE-T: UTP category 5, 5e, 6 or above cable (maximum 100m)
• EIA/TIA-568 100? STP (maximum 100m)
• 1000BASE-X MMF, SMF
- Fan Quantity: 2 Fans
- Physical Security Lock: Yes
- Power Supply: 100-240V AC, 50/60 Hz
- PoE+ Ports(RJ45)
• Standard: 802.3at/802.3af compliant
• PoE+ Ports: 24 Ports
• Power Supply: 250 W
- Dimensions ( W x D x H ): 17.3 × 8.7 × 1.73 in (440 × 220 × 44 mm)
- Mounting: Rack Mountable
- Max Power Consumption:
• 27 W (220/50Hz. no PD connected)
• 304.7 W (220/50Hz. with 250 W PD connected)
- Max Heat Dissipation
• 92.07 BTU/h (no PD connected)
• 1039.03 BTU/h (with 250 W PD connected)
PERFORMANCE
- Switching Capacity: 56 Gbps
- Packet Forwarding Rate: 41.7 Mbps
- MAC Address Table: 8K
- Packet Buffer Memory: 4.1 Mbit
- Jumbo Frame: 9 KB
SOFTWARE FEATURES
- Quality of Service
• Support Port-based 802.1p/DSCP priority
• Support 4 priority queues
• Rate Limit
• Storm Control
- L2 Features
• IGMP Snooping V1/V2/V3
• Static Link Aggregation
• Port Mirroring
• Cable Diagnostics
• Loop Prevention
• PoE Auto Recovery
- VLAN
• Support up to 32 VLANs simultaneously (out of 4K VLAN IDs)
• MTU/Port/Tag VLAN
- Management
• Web-Based GUI
• Easy Smart Configuration Utility
- Transmission Method: Store-And-Forward
OTHERS
- Certification: CE, FCC, RoHS
- Package Contents
• TL-SG1428PE
• Power Cord
• Installation Guide
• Rackmount Kit
• Rubber Feet
- Environment
• Operating Temperature: 0°C~50°C (32°F~122°F)
• Storage Temperature: -40°C~70°C (-40°F~158°F)
• Operating Humidity: 10% ~ 90% non-condensing
• Storage Humidity: 5%~90% non-condensing
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Što se tiče najčešćih razloga odbijanja, to je zasigurno neispravna 3D secure potvrda plaćanja (3D secure verifikacija).
Dakle, da bi kupac uspješno izvršio plaćanje sa karticom, potrebno je na sučelju svoje banke unijeti lozinku koju samo on zna. Ukoliko nije siguran koja mu je lozinka, neka klikne na „Zaboravili ste zaporku“ ili neka nazove helpdesk svoje banke.
3D Secure potvrda plaćanja je obaveza koju je definirala banka izdavatelj kartice radi povećanja sigurnosti plaćanja preko weba, a sa kojom vlasnik kartice treba biti upoznat prilikom plaćanja preko weba. Kao kada u dućanu plaćanje karticom potvrđujete PIN-om kojeg zna samo vlasnik kartice, tako se i plaćanje preko weba potvrđuje preko 3D secure sučelja banke izdavatelja pomoću lozinke, šifre, PIN-a kojeg zna samo vlasnik kartice
Već duže vrijeme u Hrvatskoj za plaćanja putem MasterCard, VISA i Maestro karticama je potrebno izvršiti dodatnu autentifikaciju plaćanja.
Dodatne informacije na stranicama banaka:
PBZ kartice:
http://www.pbzcard.hr/hr/online-usluge/3-d-secure-program/domena-izdavatelja-kartica---3d-secure-issuing
http://www.pbzcard.hr/hr/online-usluge/3-d-secure-program
ZABA kartice:
https://www.zaba.hr/home/podrska/koristenje-kartica-na-internetu
Erste kartice:
https://www.erstecardclub.hr/hr/pogodnosti/visa-mastercard-pogodnosti/sigurna-i-brza-kupnja-na-internetu-zahvaljujuci-3d-standardu-mastercard-securecode
RBA kartice:
https://www.rba.hr/sigurnost-transakcije
Napominjemo da svaka banka ima neka svoja pravila:
Primjer 1: Ukoliko se traži unos PIN-a, to uglavnom nije PIN koji se koristi prilikom dizanja novca sa bankomata, već PIN koji se kreira prilikom uključivanja uređaja koji se koristi kod net-bankinga (token, čitač kartica...) ili se šalje na prijavljeni mobitel korisnika.
Primjer 2: Ukoliko se traži unos broja osobnog dokumenta, npr. osobne iskaznice - ukoliko je kupac u međuvremenu mijenjao osobnu iskaznicu, dok ne prijavi novi broj u banci neće mu biti odobrena 3D verifikacija za online plaćanje sa tom karticom
Primjer 3: neke banke odobravaju prva 3 plaćanja bez 3D verifikacije; za svako sljedeće plaćanje je potrebno unijeti traženi podatak za odobravanje plaćanja
...
NAPOMENA: Kako svaka banka ima svoje odredbe oko toga što je potrebno unijeti za 3D verifikaciju (PIN, lozinku, šifru, broj osobnog dokumenta...), uvijek preporučujemo da provjerite sa svojom bankom što je točno potrebno unijeti kako bi se odobrila 3D verifikacija.