Professional Edition is suitable for enterprises with large amounts of fax business. Multiple local servers bound will increase fax sending volume and improve load balancing and redundancy. Up to 64 lines could be bound. 

• Specifications
  
  
• Storage: 4GB (about 80,000 pages)
• Users Licensed: 100
• Extension Capacity: maximum binding of 64 local servers, supporting over 6400 users and 64 fax lines.
• Power Specification: 12V AC/DC
• Maximum Power Consumption: 5W
• Network Interface: RJ45×2 (10M/100M), integrated switch function
• Fax Interface: RJ11×2, 1 fax line
• Ambient Temperature: 0 to 40 celcius degree
• Ambient Humidity: 5% to 90%
• Storage Temperature: -40 to 80 celcius degree
• Dimension: 19cm×25cm×6cm
• Weight: 1200g
• 
  Functions and Features
  
  
• Fax line: up to 64 lines flexibly bound
• Fax Speed: 33.6kbps
• Caller Identification: DTMF,FSK
• Fax resolution: 98/196DPI
• Auto answer: Voice prompt at sending and receiving
• Custom sound scheme.
• Multiple servers binding: local/distance
• Digital signature and stamp password-protected.
• Up to 100 users send and receive faxes from computer desktop simultaneously.
• Fax to email as PDF
• Remote login from home/office/field
• Auto save faxes as PDF to folders
• Schedule fax broadcasting
• Auto-Distribute and Forward
• Custom sound scheme.
• Multiple servers binding: local/distance