Avaya S8700 Maintenance Manual page 478

Maintenance Object Repair Procedure
Tone-Clock and the Reliability Configuration
A Tone Clock circuit resides on each IPSI board. For increased reliability, there is
a duplicated server, one in active mode and one on standby. However, there is
only one control network and one IPSI per port network as shown in
Therefore there is only one Tone Clock circuit per port network.
4
Ethernet 1
1
7
1
IPSI
9
100bT BBI
LINK LINK
TRMT TRMT
RCV RCV
8
PN 1
Figure 8-50. S8700 IP Connect Duplex Reliability Configuration
For descriptions of components and connections numbered above, see table below.
# Description of Components and Connections in
1 S8700 Media Server 1 - two are always present, one in a active mode and the other on standby.
2 S8700 Media Server 2 - two are always present, one in a active mode and the other on standby.
3 Duplication Interface - The Ethernet connection between the two S8700 Media Servers.
4 Services Interface - The S8700 Media Servers dedicated Ethernet connection to a laptop. This
link is active only during on-site administration or maintenance and the services interface can
link to the non-active server through a telnet session.
8-1174 Issue 1 May 2002
1
3
1
Ethernet 2
Ethernet 0
5
6
1 12
CONSOLE
13 24
10
IPSI
9
100bT BBI
LINK LINK
TRMT TRMT
RCV RCV
8
PN 2
2
2
Ethernet 1
7
2
IPSI
9
100bT BBI
LINK LINK
TRMT TRMT
RCV RCV
8 PN
Figure 8-50
Figure 8-50.
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