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Hardware Description 2-23
Enhanced Vanguard Daughtercards
Figure 2-31. ATM Enhanced Daughtercard Rear Panel: E1 Version
ATM EDC
Connector Pinouts
Figure 2-32 identifies the connector pinouts found in the RJ48C connectors of both
T1 and E1 versions of this Enhanced Daughtercard. Figure 2-33 identifies the
pinouts of BNC connectors found on the E1 version.
Figure 2-32. RJ48C Connector and Pinout
Figure 2-33. 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