Vanguard Managed Solutions 6455 사용자 설명서

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Hardware Description
Enhanced Vanguard Daughtercards
Figure 2-30. ATM Enhanced Daughtercard Rear Panel: E1 Version
ATM EDC 
Connector Pinouts
Figure 2-31 identifies the connector pinouts found in the RJ48C connectors of both 
T1 and E1 versions of this Enhanced Daughtercard. Figure 2-32 identifies the 
pinouts of BNC connectors found on the E1 version.
Figure 2-31. RJ48C Connector and Pinout
Figure 2-32. BNC Connector: RX and TX
T1/E1 ATM
Release 6.0 and greater includes enhanced ATM functionality for the Vanguard 6435 
and 6455. The new enhancements are:
• Annex G Termination
• Variable Bit Rate (VBR) - real time and non-real time
Pin
Signal
Pin
Signal
1
Receive Ring
5
Transmit Tip
2
Receive Tip
6
No Connection
3
No Connection
7
No Connection
4
Transmit Ring
8
No Connection
Pin 1
Pin 8
TX
Transmit Tip
Transmit Ring
Receive Tip
Receive Ring
RX