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CLI-based Configuration Guide - Interface Management

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the basic concepts, configuration procedures, and configuration examples of the interfaces supported by the device.
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Application Scenarios for CE1/PRI Interfaces

Application Scenarios for CE1/PRI Interfaces

Usage Scenario of CE1/PRI Interfaces (E1 Mode)

As shown in Figure 5-1, the headquarters and branch of an enterprise are connected by the transmission network of a carrier. The enterprise leases a 2 Mbit/s E1 line from the carrier.

Figure 5-1  Connecting to a transmission network through an E1 leased line

Usage Scenario of CE1/PRI Interfaces (CE1 Mode)

As shown in Figure 5-2, the headquarters and branch of an enterprise are connected by the transmission network of a carrier. Multiple low-rate (128 kbit/s or 256 kbit/s) E1 channels are required to transmit different services. In this scenario, timeslots in the E1 line need to be bundled into multiple channels. Each channel transmits a service. For example, two timeslots are bundled to transmit the voice service, and four timeslots are bundled to transmit the data service.

Figure 5-2  Connecting to a transmission network through E1 channels

Usage Scenario of CE1/PRI Interfaces (PRI Mode)

As shown in Figure 5-3, the headquarters and branch of an enterprise are connected by the integrated services digital network (ISDN) of a carrier. The routers of the enterprise connect to the ISDN through ISDN PRI interfaces.

Figure 5-3  Connecting to a transmission network through ISDN PRI interfaces

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Updated: 2019-03-06

Document ID: EDOC1100069331

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