Type
|
Description
|
User Data - F1
|
User data channel provisioned on the F1 overhead byte.
|
User Data - D4-D12
|
User data channel provisioned on the multiplex section (or Line) DCC channels (D4-D12).
|
Local Orderwire
|
Local orderwire circuit.
|
Express Orderwire
|
Express orderwire circuit.
|
DCC Tunnel - D1-D3
|
DCC tunnel provisioned on the regenerator section DCC channel (D1-D3) to transport traffic from third-party SDH equipment across ONS node networks.
|
DCC Tunnel - D4-D12
|
DCC tunnel provisioned on the multiplex section (or Line) DCC channels (D4-D12).
|
IP Tunnel - D1-D3
|
IP tunnel on the regenerator section DCC (D1-D3).
|