The information of the line is usually obtained from the carrier.
•E1 or T1, Framing, Line Encoding 
Port
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E1/T1 Port Number on the Vega 400G
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Enabled
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Port On/Off
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Network Protocol
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cas-pw is the protocol to use E1/T1 CAS
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NT
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Network Termination. Determines whether the Gateway is the Network Termination. If the checkbox is not ticked the Gateway will act as TE (Terminating Equipment)
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CrossOver
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Enables a software crossover which negates the need for a physical crossover cable
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Clock Master
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If this setting is checked, the Vega will act as the clock source. If the box is unticked, the Vega will take clock from the other side of the E1/T1.
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Bus Master Priority
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Defines the order of E1's that the Vega will take it's clocking from. 0= Never take clocking from this Interface.
1 -4 = Priority of clocking Interfaces, 1 being the highest priority and 4 being the lowest.
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Framing
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E1: crc4 defines that CRC4 is supported on the carrier E1, pcm30 defines that CRC4 is not supported on the carrier E1.
T1: ESF or SF
ESF is the more modern and more commonly used framing. This is typically used with B8ZS line encoding.
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Line Encoding
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E1: HDB3 or AMI, must match with what the carrier is using
T1: B8ZS or AMI must match with what the carrier is using
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TDM Profile
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Please leave at default
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•Manual Ring Down
Ajust PW protocol regarding the carrier information
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