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Versalar 15000 Hardware Description
308684-B Rev 00
1-7
Each AP card services the access interface card corresponding to the slot number
of the installed AP card. For example, the AP card installed in processor card slot
2 services the access interface card installed in interface card slot 2.
An AP card installed in slot 5 can provide failover service to the AP cards in slots
1 to 4. For more information about redundancy, see “Access Redundancy Module
Interface Card” on page 1-26
.
The Versalar 15000 supports four types of AP cards:
• The M13 channelized access processor (CAP) card is used for subrate T1 and
T1 applications.
• The DS3 CAP card provides high-speed access over DS3 lines.
• The hybrid M13 and clear-channel DS3 CAP card provides both T1 and
high-speed access.
• The ATM (asynchronous transfer mode) access processor card provides ATM
access via DS3 or OC-3 lines.
Each AP card consists of a printed circuit board, an EMI card shield, a bezel with
status LEDs, and 2 captive screws to secure the card in place (Figure 1-2
).
AP Card Labels
The AP cards are differentiated from each other by their labels only. Otherwise,
the cards appear the same.
Table 1-2
lists the label identifiers for all types of AP cards.
Note:
The function of a physical interface card in the rear of the chassis must
match the function of the AP card in the corresponding slot in the front of the
chassis, for example, ATM to ATM or T3 to T3.
Table 1-2. AP Card Labels
Card Type Label
M13 CAP
Clear-channel DS3 CAP-DS3
Hybrid M13/clear DS3 CAP-M13/DS3
ATM access processor AAP