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EXP-INTF (Expansion Interface Circuit Pack)
Issue 1 June 2005 1223
Figure 72: Expansion Interface Packet Interface Test, PN-to-PN loop
In a Center Stage configuration the path shown in Figure 72: Expansion Interface Packet
Interface Test, PN-to-PN loop on page 1223 is used when testing a PN EI that is on the standby
PNC. In a Direct Connect configuration, this path is used on any PN EI or on a PN EI that is on
the standby PNC.
Figure 73: Expansion Interface Packet Interface Test—PN to CSS Loop
The path shown in Figure 73: Expansion Interface Packet Interface Test—PN to CSS Loop on
page 1223 is used when running the test on a PN EI in a Center Stage configuration.
(optional)
PKT-
INT
EXP-INTF EXP-INTF
Packet Bus (PPN)
Packet Bus (PN X)
CSS
INTERFACE
SWITCH NODE
EXP-INTF
Packet Bus (PPN)
PKT-
INT