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Canopy T1/E1 Multiplexer
4. Click ↓ for Coding.
5. Select the coding technique for the channel.
NOTE: For T1, you must select either B8ZS or AMI.
6. Click on the tab for the next Channel to configure.
NOTE: If the system has been reset, clicking the Refresh button will replace the
displayed values with currently-programmed values.
7. Repeat steps 1 and 2 to configure each channel.
8. Click ↓ for Master Clock Reference Line.
9. Select which line is to be designated as the master clock line.
10. Click ↓ for Secondary Clock Reference Line.
11. Optionally, select which line is to be designated as the backup clock reference
line.
12. Click on the radio button to indicate whether the clock source is loopback mode
or recovered mode.
NOTE: The clock source applies to all four T1 channels.
Loopback mode loops the Tx clock back to the Rx.
Recovered mode recovers the clock from the incoming T1/E1 over Ethernet-bit-
stream (from the far end T1/E1).
13. When all channels are configured, select Close to close the dialogue box.
RESULT: You are returned to the EMS main menu.
Procedure 21: Configuring the E1 ports using the EMS
Follow this procedure to configure the E1 ports from the EMS.
1. From the pull-down menu, Select Config→E1.
RESULT: The E1 Config dialogue box opens.
2. Click ↓ for Coding.
3. Select the coding technique for the channel.
NOTE: For E1, you must select either HDB3 or AMI.
4. Click on the tab for the next Channel to configure.
NOTE: If the system has been reset, clicking the Refresh button will replace the
displayed values with currently-programmed values.
5. Repeat steps 1 and 2 to configure each channel.
6. Click ↓ for Master Clock Reference Line.
7. Select which line is to be designated as the master clock line.
8. Click ↓ for Secondary Clock Reference Line.
9. Optionally, select which line is to be designated as the backup clock reference
line.
Issue 3
end of procedure
Page 51 of 73
T1/E1 Multiplexer FPGA Version 3.4
September 2004
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