Vanguard 7300 Series, Installation Manual

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Modifying Your Vanguard 7300 5-27
Removing and Replacing the T3/E3 ATM Card and Rear Transition Module
Removing and Replacing the T3/E3 ATM Card and Rear Transition
Module
Introduction
The T3/E3 ATM Card is comprised of these components; A standard Carrier
Expansion Card with a T3/E3 ATM PMC installed and the T3/E3 Rear Transition
Module. This section provides procedures that explain:
• Removing and Replacing the T3/E3 ATM Card
• Removing and Replacing the T3/E3 Rear Transition Module
• Installing the T3/E3 ATM Mezzanine Card (PMC)
Card Orientation Figure 5-15 illustrates the card orientation for the Carrier Expansion Card and Rear
Transition Module pair. The Carrier Expansion Card must be installed from the front
and the T3/E3 Rear Transition Module must be installed from the rear of the
Vanguard 7300 chassis.
Note
To support T3/E3 ATM functions, a T3/E3 ATM PMC must be installed on the
Carrier Expansion Card in slot 1 as shown.
Figure 5-15. Front Carrier Expansion Card and Rear Transition Card
Orientation
Front Panel
Rear Panel
Serial No.
Location
Carrier
Card
T3/E3 Rear
Transition Module
Serial No.
Location
T3/E3 ATM
PMC
Midplane