3Com Router
Complete guide to setup and manage your 3Com networking device
Default Access Methods
Default IPs
Primary: 192.168.1.1
Alternative 1: 192.168.2.1
Alternative 2: 192.168.1.254
Alternative 3: 10.0.0.1
Default Username
admin
Default Password
admin or password
Recovery Password
1234 or check device manual
Popular 3Com Models
Enterprise Series
- 3CR858-91 - Enterprise Router
- 3CR860-95 - VPN Router
- 3CRWER100-75 - Wireless Router
Office Series
- OfficeConnect 3CRWER100A - Wireless
- 3CRWER101A-75 - ADSL Router
- 3CRWE554G72T - Travel Router
Switch Series
- 3CR17661-91 - Managed Switch
- 3CGSU08A - Gigabit Switch
- 3C16792C - PoE Switch
Setup Guide
1
Initial Setup
- Connect power adapter
- Connect WAN/Internet port
- Wait for status LEDs
- Connect computer via ethernet
2
Router Access
- Open web browser
- Enter 192.168.1.1
- Use default credentials
- Run setup wizard
3
Network Setup
- Configure WAN settings
- Set up wireless network
- Enable security features
- Update firmware if needed
Key Features
Wireless
802.11b/g/n support
Security
Enterprise-grade protection
VPN
Built-in VPN support
Management
Advanced network controls
Common Issues & Solutions
Login Issues
- Try both default IPs
- Clear browser cache
- Use Internet Explorer
- Check network connection
Factory Reset
- Find reset button
- Hold for 10-15 seconds
- Wait for lights to flash
- Device will restart
Connection Problems
- Verify cable connections
- Check WAN settings
- Test different ports
- Update firmware