ISDN

• Integrated Services Digital Network

• 2B+D Basic Rate Interface (BRI) to the desktop

  • Two 64-kbps B channels
  • Can be bonded for 128 kbps service
  • One 16-kbps D channel, usually for supervisory signals

64

kbps

64

kbps

BRI

2B+D

ISDN Modem

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