Maintenance | 191
Installing interface cards
Caution: You must power down the terminal before removing or installing interface cards.
Interface cards are initially installed in the factory to the customers’ requirements however, during the
life of the product, additional interface cards may need to be installed.
Unless the terminals are protected (see "Protected terminals" on page 163), installing new interface
cards involves a substantial interruption of traffic across the link. Staff performing this task must have
the appropriate level of education and experience; it should not be attempted by inexperienced
personnel.
To install an interface card:
1. Switch off the power to the terminal.
2. Prepare the terminal for new interface cards (see “Preparing the terminal for new interface cards”
on page
192).
3. Install the interface card (see “Installing an interface card” on page 194).
4. Power up the terminal.
5. Configure the slot (see “Configuring a slot” on page 196).
A slot can be configured before installing a new interface card, or after the interface card is
installed and the terminal power cycled.
6. Configure the cross connections. (see "Configuring the traffic cross connections" on page 133)
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