Cisco 4 Ports ISDN BRI Module, NM-4B-S/T=


The 4-ports ISDN BRI network module, NM-4B-S/T, provides various port densities for ISDN BRI connectivity.
The optional, integrated NT1, allows consolidated customer premises equipment (CPE) to provide multifunction dial access server, router, and other capabilities within power branch office.


3620, 3640 series with IOS 11.1(7)AA, 3660 with IOS 12.0(7)XK
3725, 3745 series with IOS 12.2(8)T
2600 series with IOS 11.3(4)T or better, 2600XM Series series with IOS 12.1(14) or 12.2(8)T1
2650 series with IOS 12.1(3)T
2691 series with IOS 12.2(8)T1

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  • Model: NM-4B-S/T
  • Shipping Weight: 1lbs
  • 12 Units in Stock
  • Manufactured by: CISCO

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