Vanguard Managed Solutions 7300 Series Module. This section provides procedures that explain

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 5-15illustrates 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.
		Carrier	T3/E3 Rear
		Card	Transition Module

Front Panel	T3/E3 ATM
	PMC

Rear Panel

Serial No.

Location

Serial No.

Location

Midplane

Figure 5-15. Front Carrier Expansion Card and Rear Transition Card

Orientation

Modifying Your Vanguard 7300 5-27