DIR-825 Router Manual

The D-Link DIR-825 is a high-performance dual-band wireless router supporting 802.11a/b/g/n standards with simultaneous 2.4GHz and 5GHz operation, Gigabit Ethernet ports, advanced security features including WPA/WPA2 encryption, SPI firewall, parental controls, and Quality of Service (QoS) management. Below are key sections for setup, configuration, features, troubleshooting, and technical specifications.

1. Features at a Glance 2. Package Contents 3. Hardware Installation 4. Web Configuration Setup 5. Wireless Setup 6. Network Security 7. Advanced Features 8. Troubleshooting 9. Technical Specifications 10. Regulatory Information

Features at a Glance

Key components: Dual-band wireless router, power adapter, Ethernet cable, stand, quick install guide.

Feature	Description
Wireless Standards	802.11a/b/g/n dual-band (2.4GHz & 5GHz)
Ethernet Ports	4 x Gigabit LAN, 1 x Gigabit WAN
Security	WEP, WPA, WPA2, SPI firewall
Antennas	2 detachable external antennas
USB Port	1 x USB 2.0 for storage sharing
QoS	Quality of Service for bandwidth management
Guest Zone	Separate guest network access
Parental Controls	Website filtering and access scheduling
VPN Support	PPTP, L2TP pass-through
WPS Button	Wi-Fi Protected Setup for easy connection

Package Contents

DIR-825 Wireless Router
Power Adapter (12V, 1.5A)
Ethernet Cable (6 feet)
Stand for vertical placement
Quick Install Guide
Warranty Information

NOTE: Contact your dealer if any items are missing or damaged.

Hardware Installation

Physical setup and cable connections.

Place router on stable surface or attach stand for vertical placement.
Connect power adapter to router and wall outlet.
Connect modem to WAN port using Ethernet cable.
Connect computers to LAN ports (1-4) using Ethernet cables.
Attach external antennas to antenna connectors.

WARNING! Use only the provided power adapter. Ensure proper ventilation around the router.

Web Configuration Setup

Access router settings through web browser.

Connect computer to router via Ethernet or wireless.
Open web browser and enter http://dlinkrouter.local or 192.168.0.1
Login with admin (username) and blank password (default).
Run Internet Connection Setup Wizard.
Configure basic wireless settings during setup.
Change admin password for security.

CAUTION! Always change default login credentials for security.

Wireless Setup

Configuring wireless networks for both bands.

Access Wireless Settings in web interface.
Configure 2.4GHz network: Set SSID, channel, security (WPA2 recommended).
Configure 5GHz network: Set separate SSID, channel, security.
Enable WPS for easy device connection if supported.
Save settings and reconnect devices to new networks.

Tip: Use different SSIDs for 2.4GHz and 5GHz networks to easily identify bands.

Network Security

Essential security configurations.

Wireless Security: WPA2-Personal (AES) recommended
Firewall: Enable SPI firewall in Security settings
MAC Filtering: Restrict access by device MAC addresses
Guest Network: Set up separate guest access with limited privileges
Parental Controls: Block websites and set access schedules
VPN: Configure VPN pass-through for remote access

Advanced Features

Additional configuration options.

Feature	Function
Quality of Service	Prioritize bandwidth for specific applications
Port Forwarding	Open ports for gaming or server applications
Dynamic DNS	Use domain name with dynamic IP address
USB Sharing	Access connected USB storage devices
Traffic Statistics	Monitor network usage and bandwidth
Firmware Update	Keep router updated with latest features

Troubleshooting

Symptom	Possible Cause	Corrective Action
No internet connection	WAN cable/modem	Check WAN cable; restart modem and router
Wireless devices can't connect	Security settings	Verify SSID and password; check wireless mode
Slow wireless speed	Interference/distance	Change wireless channel; move closer to router
Can't access web interface	IP configuration	Ensure computer is on same subnet; try reset
USB storage not detected	Format/power	Check drive format (FAT32/NTFS); ensure proper power

Reset: Press and hold reset button for 10 seconds to restore factory defaults.

Technical Specifications

Wireless Standards: 802.11a/b/g/n
Frequency Bands: 2.4GHz & 5GHz (simultaneous)
Data Rates: Up to 300Mbps per band
Antennas: 2 x external detachable (5dBi)
Ethernet Ports: 4 x LAN (10/100/1000), 1 x WAN (10/100/1000)
USB Port: 1 x USB 2.0
Power: 12V DC, 1.5A
Dimensions: 7.32 x 6.69 x 1.18 inches
Operating Temp: 0°C to 40°C

Regulatory Information

FCC Part 15: Class B digital device compliant. This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. CE marked confirming to European directives. RoHS compliant. For technical support, visit www.dlink.com or contact 1-877-453-5465.

Warranty: Limited 1-year hardware warranty.