Flexible phone choices:

Base system components
  • Resource switch card 3 (standard with every chassis)
    - 4 analog phone ports
    - 12 digital phone ports
    - 4 10/100 Ethernet switch ports
    - 3 analog trunk ports (including 2 power failure transfer ports)
    - 2 PCI telephony mezzanine card (PTMC) expansion slots
    - Internal 56-Kbps modem
    - Independent fault monitor subsystem
  • CD-ROM drive
Optional expansion interfaces
  • Resource switch card 3 expansion board*
    - 8 analog phone ports
    - 12 digital phone ports
    - 8 10/100 Ethernet switch ports
    - 11 analog trunk ports

  • Analog and digital station cards

  • Analog trunk modules (loop, ground, or DID)

  • 10/100Base-T Ethernet hub card

  • 1600-Router card with Cisco IOS Technologies

  • T1/PRI trunk modules (also available with drop-and-insert serial interface)

  • DSP resource PTMCs (VoIP, fax, TAPI/WAV)

* Resource switch card 3 expansion board combines with the resource switch card 3 to form the RS3A, a doublewide card that uses two slots.

t Maximum of one data card if RS3A is installed.
tt Total number of T1 ports may not exceed two for the 3000 series and four for the 6000 series.