Samsung OfficeServ 7100/7200 4BRI Basic Rate Interface Card

• Brand: Samsung
• Model: 4BRI
• Type: Basic Rate Interface (BRI) Card
• Compatibility:
  Samsung OfficeServ 7100
  Samsung OfficeServ 7200
  Samsung OfficeServ 7400
  
• Interface Type: ISDN BRI (2B + D)
• Ports: 4 × BRI Interfaces
• Function: Digital trunk line and Q-SIG networking support
• Features:
  64Kbps voice/data channel support
  Q-SIG functionality
  Configurable S0 circuit termination switches
• Usage: PBX systems, enterprise telephony, ISDN networking, office communication systems
  

Samsung OfficeServ documentation confirms the 4BRI card provides ISDN BRI 2B+D digital trunk connectivity and Q-SIG networking functionality for OfficeServ systems.