Vanguard Managed Solutions 7300 Series Benutzerhandbuch

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Modifying Your Vanguard 7300 
5-25
Removing and Replacing the T1/E1/PRI Card and Rear Transition Module
Removing and Replacing the T1/E1/PRI Rear Transition Module
Introduction
The T1/E1/PRI Rear Transition Module provides physical connector interfaces for 
T1/E1/PRI card data and voice functions.
Note
Review all applicable warnings and cautions in the “Hot-Swapping Cards and 
Modules” section on page 5-2
 before you begin.
Removing the T1/
E1/PRI Rear 
Transition Module
Use the steps in this table to remove a T1/E1/PRI Rear Transition Module from the 
Vanguard 7300 enclosure:
Installing the 
T1/E1/PRI Rear 
Transition Module
Use the steps in this table to install the T1/E1/PRI Rear Transition Module into the 
Vanguard 7300 enclosure:
Step
Action
1
Disconnect any cables attached to the module’s connectors.
2
Loosen the captive screws on the T1/E/1/PRI Transition Module at the rear 
of the Vanguard 7300.
3
To eject the T1/E1/PRI Transition Module, press the two ejector lock 
buttons and then press the card’s levers outward at the same time.
4
Carefully slide the T1/E1/PRI Rear Transition Module out of its card rails 
and place it on a level surface.
Step
Action
1
If applicable, remove the rear chassis cover to access the midplane of the 
Vanguard 7300.
2
Open the ejector levers on the T1/E1/PRI Rear Transition Module.
3
Locate the correct slot; the T1/E1/PRI Rear Transition Module should be 
installed from the rear in the same slot as the T1/E1/PRI Card. 
Align the T1/E1/PRI Card with the card rails on the Vanguard 7300 chassis.
4
Carefully insert the T1/E1/PRI Rear Transition Module in the card rails and 
slide the card until you feel resistance.
5
Simultaneously press the ejector levers inward until they lock.
6
Tighten the captive screws.
7
Reconnect any connector cables.