Clock Antecedent Example 1
210 Authorized Self-Study Guide: Cisco Articulation over IP (CVOICE)
Router1(config)#controller T1 1/0
Router1(config-controller)#framing crc4
Router1(config-controller)#linecoding hdb3
Router1(config-controller)#clock antecedent internal
Router1(config-controller)#ds0-group timeslots 1-15 blazon e&m-wink-start
■ Single articulation anchorage accepting centralized clocking: In this scenario, the agenda articulation hardware
receives clocking from the affiliated accessory (CO telephony about-face or PBX), as
illustrated in Figure 4-12 and Example 4-3. The PLL clocking is apprenticed by the clock
reference on the accept (Rx) ancillary of the agenda band connection.
V
Clock
1/0
Router2
PSTN
Figure 4-12 Clock Antecedent Example 2