Grandstream HA100 High-Availability Controller for UCM6510 IP PBX

Key Features:

• Smart Failover: Automatically switches all system control to the secondary UCM6510 if the primary unit becomes unresponsive.
• Rapid Switching: Completes the entire system transition in 10 to 50 seconds, depending on the number of registered SIP endpoints.
• Gratuitous ARP: Forces SIP endpoints to refresh the MAC address of the new active UCM6510 without manual intervention or service interruptions.
• Full Redundancy: Mirrors all connected telecom lines (T1/E1/J1), network links (WAN/LAN), and analog ports (FXO/FXS) from the primary to the secondary unit.
• Real-Time Monitoring: Features 14 LED indicators on the front panel to provide instant visual status of all lines and network connections.
• RS-485 Communication: Uses specialized serial cables to constantly monitor the "heartbeat" and operational health of both PBX units.

Technical Specifications:

• Interfaces (Back Panel):
  • 2 × Analog Telephone FXS Ports (for connecting to PBX A and B).
  • 2 × PSTN Line FXO Ports.
  • 1 × T1/E1/J1 Interface.
  • 1 × LAN / 1 × WAN Port.
  • 2 × RS-485 Ports (Control links for Primary & Secondary units).
• Interfaces (Front Panel - External Service):
  • 4 × FXS Ports (2 for extension A, 2 for extension B).
  • 4 × FXO Ports (2 for line A, 2 for line B).
  • 2 × T1/E1/J1 Ports.
  • 2 × LAN / 2 × WAN Ports.
• Switching Capacity: All SIP endpoints, analog lines, and T1/E1 trunks.
• Power Supply: DC 12V, 1.5A.
• Form Factor: Compact, rack-mountable metal design.