
DSL-AC55U
Dual Band 802.11ac Wi-Fi ADSL/VDSL Modem Router
• Concurrent Dual Band: 867Mbps on 5GHz and 300Mbps on 2.4GHz
• Two WAN ports for DSL and Ethernet offer double the choice –
wireless router or DSL modem
• Compatible with VDSL2, ADSL2/2+, ADSL, fiber and cable services
for complete future-proofing
• Gigabit Ethernet ports for fast and reliable internet performance
• Multi-purpose USB port supports file sharing, printer sharing,
media streaming and 3G/4G support
• VDSL/ADSL WAN multi service for IPTV support
• PPTP/Open VPN server and VPN client support
• Download Master and enhanced media server let you download
and stream anywhere
• ASUS AiCloud lets you access, sync, share and stream data
anywhere
Future-proofed versatility with 802.11ac wireless speeds
The ASUS DSL-AC55U is a ADSL/VDSL 802.11ac Wi-Fi modem router, with combined dual-band data rates of up to
1167Mbps. On the 5GHz band, 802.11ac gives 867Mbps wireless data rates, while 2.4 GHz 802.11n performance
supports 300Mbps. Compatible with ADSL2/2+, ADSL, VDSL2, fiber and cable services, the top specification
completes future-proofing.
ASUS AiRadar enhances the Wi-Fi stability and improves coverage up to 150%*. Most importantly, the universal
beamforming not only works on 802.11ac clients, but also 802.11a/b/g/n clients. Equipped with powerful hardware
NAT acceleration and built-in Gigabit Ethernet, the DSL-AC55U gives you full Gigabit internet performance, with a
WAN-to-LAN throughput performance of over 900 Mbps.
USB 2.0 port allows the DSL-AC55U to share printer and scanner over a network, and it can also operate as highspeed NAS (Network Attached Storage) device when external storage is connected.
Total flexibility with DSL, Ethernet or 3G/4G LTE Internet connections
DSL-AC55U has multiple ways to connect to the Internet, with a choice of DSL, Ethernet or 3G/4G LTE*. You can use
DSL-AC55U as a DSL modem Wi-Fi router or a standalone Wi-Fi router according to your needs. And with the ability to
switch instantly between connections if one fails (and switch back again when it’s fixed) or combine multiple
connections for more bandwidth, it’s perfect for reliable, always-on internet connectivity. *Requires compatible USB
dongle

AiCloud
App
Your World on Demand.
AiCloud keeps you connected to your data wherever
you are. Access, share and stream all your photos,
videos and files from your router on any internetconnected desktop, notebook or mobile device.
Control Your Network Anywhere. ASUS Router
ASUS Router App is built from the ground-up to be both
intuitive and robust, allowing you to setup your router,
manage network traffic, diagnose connection issues and
even update firmware, all without needing to boot up a
PC.
What's Inside the Box
• DSL-AC55U VDSL/ADSL Wireless Modem Router
• RJ-45 cable
• DSL/phone cable (RJ-11 cable)
• Splitter (varies with region)
• Power adapter
• Warranty card
• Quick start guide
• Support CD (user manual and utility)
Connectivity
Specifications
• Wireless Type: 802.11 ac/n/g/a/b
• Wireless Speed: Up to 1167Mbps
• Wireless Frequency: Dual band (2.4 & Dual 5 GHz)
• Wired Connectivity: 4x LAN, 1x WAN gigabit
Ethernet ports, 1x VDSL/ADSL RJ11 port
• USB Port(s): USB 2.0 x 1

Specifications
IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, IEEE 802.3,
IEEE 802.3u, IEEE 802.11i, IEEE 802.11e, IPv4, IPv6
802.11a : 6,9,12,18,24,36,48,54 Mbps
802.11b : 1, 2, 5.5, 11 Mbps
802.11g : 6,9,12,18,24,36,48,54 Mbps
VDSL2 Upstream: 150Mbps, Downstream: 200Mbps
ADSL2+ Upstream: 3.3Mbps, Downstream: 24Mbps
ADSL2 Upstream: 3.5Mbps, Downstream: 12Mbps
WPS Button, Reset Button, Power Button, Wireless on/off Button
4 x RJ45 10/100/Gigabits BaseT for LAN
1 x RJ45 10/100/Gigabits BaseT for WAN
3G/4G data sharing,
SSIDs, Parental Control
-Fi Data Rate
Data Rate
enhanced AC performance : 300+867 Mbps
867 Mbps
VDSL2/ADSL2+/ADSL2/ADSL multimode
Support Annex A/B/I/J/L/M
Support all VDSL2 profiles -8a, 8b, 8c, 8d, 12a, 12b, 17a and 30a
VDSL2 interface compliance with ITU-T G.993.2
ITU-T G.992.1 (G.dmt), Annex A, and B Compliant
ITU-T G.992.2 (G.lite), Annex A, and B Compliant
ANSI T1.413 Compliant
ITU-T G.992.3 (ADSL2) Compliant, Annex A, B, L, and M
ITU-T G.992.5 (ADSL2+) Compliant, Supporting Annex A, B, and M
ITU-T G.993.2 Compliant, Annex A, B
ITU-T G.993.5 (Vectoring)
ITU-T G.998.4 (G.inp) Improved impulse noise protection
ATM and PTM (dual-priority)
DHCP server, firewall/NAT, DynDNS
VPN server(PPTP/OpenVPN)
VPN client(PPTP/L2TP/OpenVPN)
Dual WAN Fail over/Fail back/Load balance
Traffic monitor/Quality of Service (QoS)
DSL spectrum
IPTV(VDSL/ADSL WAN)
DSL feedback mechanism
Save/Resotre configuration file
WiFi Bandwidth Limiter
4, xDSL, E-WAN, 2.4 GHz Wi-Fi, 5 GHz Wi-Fi, USB x 1
1
AiCloud, Printer server, Download Master, AiDisK, Multiple

Firmware upgraded, configuration data uploaded and downloaded via Web
Configuration backup and restore
AC Input : 110 ~240 V(50~60HZ)
flash/128MB DDR3
17 dBm
dBm
dBm
17 dBm
19 dBm
-bit WEP, 128-bit WEP, WPA2-PSK, WPA-PSK
-based GUI configuration
Support BT, NZB, HTTP, ED2K
Support encryption, DHT, PEX and magnet link
Upload and download bandwidth control
Download scheduling
Image: JPEG
Audio: mp3, wma, wav, pcm, mp4, lpcm, ogg
Video: asf, avi, divx, mpeg, mpg, ts, vob, wmv, mkv, mov
Multifunctional printer support(Windows only)
LPR protocol support
x 14.9 x 3.6 cm (WxDxH)
g (Device Only)
DSL-AC55U Dual-band 802.11ac VDSL/ADSL Modem Router
RJ-45 cable
RJ-11 cable
Support CD(User manual and utility)
Power adapter
Warranty card
Quick start guide
Splitter (varies with regions)
-Through
-Through
-Through
V/1.5 A
18 W Max.
-based GUI