Port transmission speed, power, system, WAN, DMZ, link/activity
Expansion / Connectivity
WAN: 1 x 10Base-T/100Base-TX/1000Base-T - RJ-45 � WAN / LAN: 3 x 10Base-T/100Base-TX/1000Base-T - RJ-45 � LAN / DMZ: 1 x 10Base-T/100Base-TX/1000Base-T - RJ-45 � Management: 1 x RS-232 - RJ-45
Internal power supply
AC 120/230 V (50/60 Hz)
1 x console cable
Rack Mounting Kit
Software / System Requirements
Drivers & Utilities
UNIX, Apple MacOS, Novell NetWare, Linux, Microsoft Windows 98SE/2000/NT/ME/XP/Vista/7
Dimensions & Weight
Min Operating Temperature
Max Operating Temperature
Humidity Range Operating
10 - 90% (non-condensing)
TP-Link Ld Blnc 1Gig WN.1LN/DMZ.3 WN/LN
Abundant security features For defense against external threats, TL-ER5120 features automatic protection to detect and block Denial of Service (DoS) attacks such as TCP/UDP/ICMP flooding, TCP scanning, ping of death and other related threats. Moreover, this router offers a hardware DMZ port, which allows network administrators to setup public servers without exposing their internal network, to avoid attacks from external threats. For better management of the internal network, TL-ER5120 allows administrators to set rules to block specific web sites and IM/P2P applications with just one click, and restrict staff to use specific services such as FTP, HTTP and SMTP.
Efficient access management By setting a PPPoE server to allocate PPPoE accounts to private network users, the router only allows users with legal accounts that have passed authentication to access the Internet. Cooperating with IP-based Bandwidth Control, it is capable of confining bandwidth usage of certain PPPoE accounts. Moreover, the E-Bulletin function is able to release a bulletin in the form of webpage to certain user groups periodically, which notifies the users about the expiration date of the PPPoE account. With the above features, the router will prioritize different users in surfer jurisdictions for more efficient management.
Optimizing bandwidth usage The TL-ER5120 features three freely interchangeable ports that can be set to either LAN or WAN, allowing the router to support up to four WAN ports to satisfy various Internet access requirements through one device. The Intelligent Load Balancing function can distribute data streams according to the bandwidth proportion of every WAN port to raise the utilization rate of multi-line broadband. With IP-based bandwidth control and Session Limit functions, network administrators can flexibly manage network bandwidth to optimize bandwidth usage.
Safety minded enterprise investments Professional lightning protection technology is designed to prevent electrical surges from penetrating the interior of the device, to be discharged harmlessly into the Earth. This router is designed to prevent lightning damage of up to 4 kV in the well-grounded connection conditions. This feature ensures that networking infrastructure investments remain as safe as possible from one of Mother Nature's more violent elements.
Key Selling Points
1 fixed gigabit WAN port, 1 fixed Gigabit LAN/DMZ port and 3 freely interchangeable Gigabit WAN/LAN ports
Abundant security features including ARP Inspection, DoS defense, URL/keyword domain filter and access control
Deploys one-click restriction of IM/P2P applications to easily manage staff online behavior
Supports PPPoE server for the better management of internal network
Load Balancing, automatically selects the best route according to the load
Professional 4 kV lightning protection keeps your investments as safe as possible
Delivery times are quoted in working days and do not include bank holidays. Please expect
over Christmas to be slightly delayed.
7 Day Delivery
OVER £100 ORDERS - Free
7 Day Delivery
Under £100 ORDERS - £2.90
3 Working Days
£4.16 + VAT (£4.99)
Next Working Day
£6.66 + VAT (£7.99)
Order and Payment Confirmed by 3.30pm Collect Free Normally Next Working Day
Delivery Surcharges to these Post Codes
Goods are dispatched by post or by overnight courier or Royal Mail and should be delivered
within one or
two working days of dispatch. Ballicom Limited accepts no responsibility where the Courier
Service is at fault for delayed delivery once the goods have been dispatched. We currently
sell just under
100,000 products and Available Stock may be stored at more than one warehouse If Collecting
first as we may need to arrange shipment of the item to the Trade Counter first.