ISDN PRI Interface Types

On a J-series device with one or more Dual-Port Channelized T1/E1/ISDN PRI PIMs, you can configure each port on the PIM for either T1, E1, or ISDN PRI service, or for a combination of ISDN PRI and either T1 or E1 service. For ISDN PRI service, you configure the following types of ISDN interfaces as channels on the channelized T1 or E1 interface:

• Physical B-channel interface—bc-pim/0/port:channel
  • On a channelized T1 interface, up to 23 time slots can be configured as ISDN PRI B-channels.
  • On a channelized E1 interface, up to 30 time slots can be configured as ISDN PRI B-channels.
• Physical D-channel interface—dc-pim/0/port:channel
  • On a channelized T1 interface, you configure time slot 24 as the D-channel.
  • On a channelized E1 interface, you configure time slot 16 as the D-channel.
• Logical dialer interface—dln

For information about interface names, see Network Interface Naming.

For more information about channelized T1/E1/ISDN PRI interfaces, see Configuring Channelized T1/E1/ISDN PRI Interfaces.