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Synology | Introduction to Synology Router Manager (SRM)

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03.Synology | Introduction to Synology Router Manager (SRM)
SYNOLOGY RT 1900ac Router
Sample model only
See Similar Versions Tab to find your specific model or check the manufacturer s website.

Game-changing software experience
Synology Router Manager (SRM) 1.1 is the operating system that powers the Synology Router RT1900ac. With the friendly interface, it makes managing your network and Wi-Fi settings super simple, while delivering robust tools for power users and professionals.

Tap, swipe, and manage everything
Install the DS router on your Android or iOS device and conveniently manage settings on Synology Router RT1900ac from the palm of your hand. DS router delivers robust tools and options, such as easy installation, wireless network management, real-time traffic monitoring and controls, as well as much more.

Quick and easy setup
Synology Router RT1900ac is designed to simplify the initial setup process. Simply plug it into your existing modem, enter in a web browser, and follow the interactive installation guide to finish.

Fast, reliable Wi-Fi
Equipped with three powerful antennas and support for the latest 802.11ac wireless networking standard, Synology Router RT1900ac broadcasts both 2.4 and 5 GHz spectrums for combined data transfer speeds of up to 1900 Mbps. Never worry about speed bottlenecks even when multiple people are connected to the network.
Lag-free online gaming
Take advantage of easy-to-use bandwidth prioritization and network traffic controls, so your games always get the speed and low latency they need.

Smooth video streaming
Enjoy buffer-free playback when streaming 4K movies from your favorite online video service, or play home videos stored on external storage directly on a DLNA compatible TV or media player.

Fast file transfers
Share important files and documents quickly and smoothly when collaborating with business partners or others.

Robust connectivity with Beamforming
Traditional routers broadcast wireless signals in all directions, regardless of the position of your laptop or smartphone. With smart Beamforming technology, Synology Router RT1900ac focuses wireless signals toward up to six supported devices, reducing latency, economizing power consumption, and improving wireless range.

Powerful connectivity management
For advanced home users and company admins, Synology Router Manager 1.1 delivers tools to manage connectivity so your network runs smoothly and just the way you want.

Smart WAN
For those who need uninterrupted network connectivity, Smart WAN allows Synology Router RT1900ac to connect to the Internet via two network interfaces. If one of the connections goes offline due to ISP problems or other issues, traffic can failover to the other interface. Additionally, load balancing can spread traffic across both interfaces according to customizable settings, allowing you to route traffic through a specific interface according to the destination or source address.

Smart Connect
Not sure which devices should connect to the 2.4 and 5 GHz bands? With Synology s Smart Connect wireless technology, devices are connected to the most appropriate band automatically according to preset or customizable criteria, letting users experience the best Wi-Fi without worrying about technical details.
Content filtering & monitoring
Synology Router Manager (SRM) 1.1 includes advanced traffic tools that surpass the common router. Limit bandwidth consumption, block malicious content, and fine-tune how data travels through your home or office network.

Application Layer QoS
Powered by a deep packet inspection engine, Application Layer QoS (Quality of Service) lets you see how much bandwidth is consumed by individual applications and devices. If someone is hogging too much bandwidth on non-essential applications — like YouTube or Spotify — you can restrict the amount of bandwidth the device can use for the specific application, without affecting the bandwidth available for other applications.

Traffic report
To better manage and assess bandwidth requirements, you can generate easy to understand reports detailing the traffic usage of applications and devices over a specific period of time. Network administrators can use these reports to better understand traffic, check if certain devices or applications are consuming too much bandwidth, and investigate security concerns.

Parental Controls
For parents or business owners, it s easy to set a schedule to control when children or employees are allowed to access the Internet. In addition, with built-in Google SafeSearch integration and a vast database of inappropriate websites, you can customize what kinds of content are permitted and effectively block thousands of sites with a few simple clicks. Having multiple customizable profiles allows for blocking different types of content for specific family members or employees.

Intelligent web filtering
Whereas traditional routers implement URL-based web filtering to block or allow specific content in the network, Synology Router Manager includes a more intelligent web filtering which checks if content is blocked or allowed during the DNS lookup stage of communication, making it harder to sneak through and see unauthorized content, while also reducing system resource consumption.

Protect your network
In addition to standard security tools like denial-of-service blocking and firewall management, Synology Router Manager delivers innovative tools to help protect your network from outside attacks.

Intrusion Prevention Beta
The Intrusion Prevention add-on package brings intrusion detection system (IDS) and intrusion prevention system (IPS) features to actively protect your network and devices from malicious parties. IDS analyzes traffic and detects intrusion within network, thus enhancing security rules to avoid future security problems. IPS inspects network packets in order to proactively prevent suspicious traffic and requests from entering your network.

Security Advisor
This handy diagnostics tool helps you optimize and understand security settings for your specific environment. By performing a comprehensive analysis of system settings, password strength, and network preferences, Security Advisor minimizes security holes and protects Synology Router RT1900ac — and your whole network.

QualysGuard Security Scan
Synology strives to guarantee a secure software experience for all users. With the help of QualysGuard, a trusted and market-leading vulnerability scanner, Synology can conduct thorough system scans and implement remediation. See security scan results
Take your files everywhere
By connecting an external storage device, Synology Router RT1900ac can become a private cloud server, allowing you to access files from anywhere, share photos with family and friends, or backup data from your Windows or Mac computers.

Browse and manage files
File Station is a handy file explorer for organizing and sharing files stored on storage devices connected to Synology Router RT1900ac. Upload files from a computer by simply dragging and dropping them into your browser, and then share with friends or coworkers by simply sending them a link.
Synchronize data across devices
Cloud Station lets you set up a private file syncing server, so you can synchronize documents, videos, or photos between Synology Router RT1900ac and other devices, like your computer or mobile devices. When you modify a file on one device, it is automatically updated on the other devices, allowing you to move between home and work, desktop and mobile, all while seamlessly working on the same file.

Back up personal computers
With the Cloud Station Backup application, you can easily back up files from your Windows, Mac, or Linux computers to a storage device connected to Synology Router RT1900ac. File version history saves up to 32 copies of each file, allowing you to go back in time and recover files that were overwritten or accidentally deleted.

Works with Time Machine
With support for Apple s Time Machine backup, Mac users can connect an external storage device to Synology Router RT1900ac and start backing up files from one or more Mac computers. Since the backup tasks are handled over the network, you skip the hassle of plugging in an external hard drive every time you want to back up data.

VPN support, RADIUS server, and other possibilities
Go beyond a simple router with a rich selection of add-on software packages available on Synology s Package Center. Transform your Synology Router RT1900ac into a personal VPN server, professional RADIUS authentication server, 24/7 download hub, multimedia library, or add other handy features for use at home or the office.

Dual guest Wi-Fi
You can create dual guest wireless networks, allowing temporary visitors to connect to the Internet, while restricting them from accessing local resources, such as servers with sensitive data and files. This is useful for businesses or other institutions who want to provide a wireless connectivity for visitors, but keep them from accessing sensitive resources, such as the office file server.
Synology s free QuickConnect service is the simplest way to access your Synology Router RT1900ac, even when you re away from home or the office. Just register a unique and customizable QuickConnect ID, and you’ll to be able to log in to Synology Router Manager, access connected storage devices, and do much more from anywhere with an Internet connection.
With Network Tools, you can easily test, analyze, and troubleshoot network connections using the Ping and Traceroute tools. In addition, you can remotely wake up devices connected to Synology Router RT1900ac using the Wake on LAN panel.
The USB port allows for sharing a printer across your wireless network. Simply plug it in and everyone connected to the network can take advantage of a centralized network printer — without having to worry about plugging in more wires.

Standing position for improved cooling and performance
Synology Router RT1900ac comes with an optional standing kit, allowing it to be placed in an upright position. In addition to saving space, the stand kit helps dissipate excess heat and thus deliver improved wireless performance.


SYNOLOGY RT 1900ac Router
Sample model only
See Similar Versions Tab to find your specific model or check the manufacturer s website.

Hardware Specifications
CPUDual core 1.0 GHz
Memory256 MB DDR3
Antenna type3x3 MIMO Omni-directional high-gain dipole (2.4GHz / 5GHz)
LAN portGigabit (RJ-45) x 4
WAN portGigabit (RJ-45) x 1
External PortsUSB 3.0 x 1 (5V, 1.5A power output)

SD card reader x 1 (SDXC, SDHC)
Button and switchWPS, USB/SD eject, Power, Reset, Wi-Fi On/Off
Size (Height x Width x Depth)66 mm x 206 mm x 160 mm (without antenna)
Weight0.51 kg
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power Consumption*10.82 W (Access) 

7.45 W (Idle)
Operating Temperature5°C to 40°C (40°F to 104°F)
Storage Temperature-20°C to 60°C (-5°F to 140°F)
Relative Humidity5% to 95% RH
CertificationFCC Class B

CE Class B

BSMI Class B
Wi-Fi CertificationCE





Warranty2 Years
IEEE 802.11acIEEE 802.11a/b/g/n/ac

Simultaneous dual-band Wi-Fi

2.4GHz: 600Mbps (256-QAM supported)

5GHz: 1300Mbps
Schedulable Wi-Fi
WPS 2.0 (Wi-Fi Protected Setup 2.0)
3G/4G mobile dongle support
Maximum MAC filters64
Maximum connected devices70
NoteIn real-world testing, RT1900ac could have at least 70 devices connected concurrently, with the tested device ratio of 5GHz (channel 161) : 2.4GHz (channel 1) = 1 : 3.

Not all of the connected 70 devices in the testing are in transmission, some of them remained idle.

RT1900ac supports at least 40 connected devices that are concurrently transmitting data.

The numbers above are for reference only, which could vary dynamically according to users network scenarios and conditions.
Internet connectionDynamic IP, Static IP, PPPoE
Port forwardingSetup via manual management or UPnP
Maximum port forwarding rules64
Maximum UPnP rules64
Port triggering
Maximum port triggering rules32
Minimum port triggering timeout30s
Maximum port triggering timeout3600s
IPv6IPv6 DHCP server/client, IPv6 tunneling
DHCPServer/client mode, client list, MAC address reservation
Maximum DHCP reservations500
LAN/WLAN IGMP snooping
VPNVPN server/client (PPTP, OpenVPN, L2TP/IPSec)

VPN pass-through (PPTP, IPSec, L2TP)
Policy route, Static route, Network Address Translation (NAT), PPPoE relay
Maximum IPv4 static routes100
Maximum IPv6 static routes100
Diagnosis toolsPing

Operating systemSynology Router Manager (SRM)
Free OS upgrade
Anywhere access to SRMSynology QuickConnect & Dynamic DNS (DDNS)
Operation modesWireless Router, Wireless AP, Wireless Client
Wake on LAN (WOL)
WOL over QuickConnect
Maximum connected devices100
NotificationEmail, SMS, push service (via DS router)
Configuration backup & restore
User account management
Printer serverMaximum printer: 1
Parental Control
Customized Internet scheduleSetup by single / multiple devices
DNS-based web-filter with built-in database
Customized allow/block list
Maximum devices50
Maximum blocked URLs100
Maximum allowed URLs100
Traffic Control
Internet ban, device speed & priority
Application layer (L7) quality of service (QoS)
Maximum device rules64
Maximum application rules per device32
Traffic Monitor for graphical live / history statistics
Wi-Fi encryptionWEP, WPA/WPA2-Personal, WPA/WPA2-Enterprise
Wi-Fi MAC address filter
Firewall/SPI Firewall
DoS Protection
Auto block
SSL certificate
Security Advisor
Mobile Apps
DS cloud (Android/iOS)
DS get (Android/iOS)
DS file (Android/iOS)
DS router (Android/iOS)Network traffic overview

Wi-Fi management

Parental Control

Traffic Control

Network security (firewall, port forwarding, Internet ban)

Wake on LAN
VPN Plus (iOS)
USB/SD Card File Service
File SystemEXT4, FAT, NTFS, HFS+
Access supportFile explorer (via LAN only)

Web browsers: Chrome™, Firefox®, Internet Explorer®: 8 onwards, Safari® 7 onwards, Safari (iOS® 7 onwards on iPad®), Chrome (Android 4.0 onwards on tablets)

Mobile device: DS file
Protocol supportWindows file service (CIFS), Mac file service (AFP), FTP/FTPS, WebDAV
Apple Time Machine
Shared Folder privileges
Storage hibernation
Package Center
Cloud Station ServerSync data from multiple platforms, centralizing it on the router while easily keeping historical versions of important files.
Maximum Concurrent File Transfers64
NoteCloud Station ShareSync is not supported
DNS ServerHelps users find and translate domain names into IP addresses
Download StationSupported download protocols: BT/HTTP/FTP/NZB/eMule
Maximum concurrent download tasks50
Maximum concurrent BT download tasks20
Media Server (DLNA/UPnP®)Media indexing

DLNA certified

PS3/PS4/Xbox 360/Xbox One supported
RADIUS ServerProvides centralized authentication, authorization, and accounting for wireless network access
VPN Plus ServerEasily create and manage secure VPN access through a web browser or client. Supports various VPN services — WebVPN, SSL VPN, SSTP, OpenVPN, L2TP over IPSec, and PPTP.
Maximum Connections10
VPN ServerSupported VPN protocols: PPTP, OpenVPN™, L2TP/IPSec
Maximum Connections5
Intrusion Prevention (Beta)Greatly enhance the security of your router with IDS and IPS systems, designed to safeguard your network against internet threats.
Intrusion Detection System (IDS)
Intrusion Prevention System (IPS)
Environment & Packaging
EnvironmentRoHS Compliant
Packaging ContentMain Unit

Antenna x 3

Stand Kit

AC Power Adapter

RJ-45 LAN Cable

Welcome Note


This information is provided as a general guide only. The features and specifications of this model may vary according to the country of purchase and many other factors. Please check the information provided on the manufacturer’s website in your country for accurate details.

Spot a Mistake? Let us know about any errors or inaccuracies. Click here.



Synology Router Manager (SRM) is the operating system that powers the Synology Router RT1900ac. With the friendly interface, it makes managing your network and Wi-Fi settings super simple, while delivering robust tools for power users and professionals. This video is based on SRM 1.0. Learn more about Synology Router Manager (SRM) here: ● Find the ideal Synology NAS for you: ● Synology Product Inquiry: ● Try Synology DSM, the intuitive NAS operating system, now for free: ● Where to buy:

Tags: Introduction, Synology, Router, Manager, (SRM) setup, video guide, help, assist, instructions, install, assemble, support, Instructional

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This information is provided as a general guide only. The features and specifications of this model may vary according to the country of purchase and many other factors. Please check the information provided on the manufacturer’s website in your country for accurate details.

Spot a Mistake? Let us know about any errors or inaccuracies. Click here.

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