Ascotel IntelliGate 2025/2045/2065
904 Hardware updates and system expansion Part 7
Expansion card slots
The 2025 / 2045 mainboard contains 5 expansion slots for expansion cards. The
2065 mainboard contains 14 expansion slots (7 expansion slots on either side of
the processor card).
Expansion cards can be fitted to any expansion slot. Exception: On the Ascotel
2065 the system slot in the middle is reserved for the MPC-8260 processor card.
Unused expansion card slots are fitted with dummy covers (EMC).
Expansion card configuration data
Configuration data consists of system configuration data and terminal configura-
tion data. All the configuration data is stored centrally in a non-volatile memory
on the Flash card. This means that configuration data is preserved whenever a
defective subscriber card or trunk card has to be replaced by a new one.
3.2.1 Installing and removing cards
3.2.1.1 Preparations
First step before expansion cards or system cards are removed or added:
• Inform users
• Prebar the system
• Disconnect system power supply
Prebar the system
Prebarring the system prevents setting up new connections. Ongoing calls are not
cleared down. If a user tries to set up a call while prebarring is activated, he will
obtain the congestion tone and the system terminal display will read "Invalid
number".
A prebarred system is indicated by the 7-segment display on the mainboard.
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