Vanguard Managed Solutions Vanguard 7300 Series Benutzerhandbuch

Vanguard 7300 Enclosures and Components 

2-29

The T3/E3 Rear Transition Module connects to the Carrier Expansion Card and 
provides a single port ATM Physical Interface (PHY) that includes:

• T3/E3 Framer (receiver and transmitter)

• ATM Cell Delineator block

Figure 2-19 shows the position of the Carrier Expansion Card (with T3/E3 ATM 
Mezzanine Card installed) and T3/E3 Rear Transition Module. 

Front Panel

Rear Panel

Serial No. 

Location

Carrier 

Card

T3/E3 Rear 

Transition Module

Serial No. 

Location

Midplane