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Maintaining PCI cards
Issue 3.3 February 2003 77
Installing HSI/P cards
An HSI/P card supports X.25 switch links. For eight ACDS, two HSI/P cards and quad
cables are needed. If the system uses TCP/IP signaling for all ACDs, HSI/P cards are not
needed.
Note:
Note: Some CMS loads do not support the X.25 protocol. Contact the National
Customer Care Center or consult with your product distributor or
representative to verify if the X.25 protocol is supported on your CMS
system.
Installing HSI/P cards contains the following procedures:
● Replacing an HSI/P card on page 78
● Installing the first HSI/P card or a pair of HSI/P cards on page 78
● Installing HSI/P software and patches on page 79
● Setting up the switch link for each ACD on page 80
● Adding a second HSI/P card on page 81
If you are replacing a defective HSI/P card, see Replacing an HSI/P card
on page 78. If
this is the initial installation of one or two HSI/P cards, start with Installing the first HSI/P
card or a pair of HSI/P cards. If a second HSI/P card is being added to a system already in
operation, see A
dding a second HSI/P card on page 81.