Zhone Technologies 600 User Manual
Server Cards
6-7
ACS-PRI/BRI Card
Introduction
Figure 6-5 highlights the ability of the system to be able to set the protocol between network
side and user side for each D channel it uses. Since the PBX can only run the user side
protocol, the system must run the network side protocol on the D channel connected to the
PBX. However, on the D channels connected to the carrier switches, the system must run the
user side protocol.
side and user side for each D channel it uses. Since the PBX can only run the user side
protocol, the system must run the network side protocol on the D channel connected to the
PBX. However, on the D channels connected to the carrier switches, the system must run the
user side protocol.
Figure 6-5. Network and User Side Protocols
Carrier A
ISDN Switch
Carrier B
ISDN Switch
User Side
User Side
User Side
Network Side
Network Side
Network Side
IAD
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23B+D
23B+D
NFAS 47B+D
ISDN PBX