• 24-port, 2-wire digital interface.
  
• Supports 24 digital telephones.
  
• Supports 6400, 8400, 9400 digital series telephones and 8400B data modules.
  
• Supports attendant consoles: 302B, 302C, and 302D.
  
• Terminals must be located within 3500 feet of the main equipment location using 24 gauge cable.
  
• The TN2224B is an upgraded TN2224 with enhanced firmware, a 24-mHz microcontroller, and 48K of external RAM.
  

TN2224B REQUIREMENTS

• Lucent / Avaya Avaya ECS Family: G3si V5 or higher, Prologix V1 or higher.

Availability: In stock - Normally ships within 24 hours.
Warranty: One year.

TN2224B Digital Line Card, 24-port, Used 108276148R