In a power-equalized optical system, the total input power is proportional to the number of channels. In constant gain mode, the amplifier power out control loop performs the following input and output power calculations, where G represents the gain and t represents time. The TCC2/TCC2P compares the actual amplifier output power with the expected amplifier output power and modifies the setpoints if any discrepancies occur. To perform this function, the TCC2/TCC2P needs to know the channel distribution, which is provided by a signaling protocol, and the expected per-channel power, which you can provision.
UNITY NETWORKVIEW BYTES SOFTWARE
The shelf controller software emulates the control output power loop to adjust for fiber degradation. Amplifiers monitor the changes to the input power and change the output power proportionately according to the calculated gain setpoint. Note APC algorithms manage the optical parameters of the OPT-BST, OPT-PRE, OPT-AMP-17-C, 32DMX, 40-DMX-C, OPT-BST-L, OPT-AMP-L, and 32DMX-L cards.Īmplifier software uses a control gain loop with fast transient suppression to keep the channel power constant regardless of any changes in the number of channels. For more information about anti-ASE nodes, see the "Anti-ASE Node" section.
UNITY NETWORKVIEW BYTES FULL
OADM nodes equipped with 32MUX-O cards and 32DMX-O cards are called full OADM nodes. This solution is adopted when the total number of wavelengths deployed in the ring is higher than ten.
Network-Level Gain-Tilt Management of Optical AmplifiersĬisco ONS 15454 nodes can be provisioned for metro core DWDM network applications.OPT-BST, OPT-BST-E, 32WSS, 32DMX, 40-DMX-C, 40-MUX-C, 40-WSS-C, 40-WXC-C, and OPT-AMP-17-C cards can only be installed in C-band-compatible nodes and networks.
Note OPT-BST-L, 32WSS-L, 32DMX-L, and OPT-AMP-L cards can only be installed in L-band-compatible nodes and networks. The chapter also provides network-level optical performance references. This chapter explains the ONS 15454 dense wavelength division multiplexing (DWDM) network applications and topologies. 10.8 Network-Level Gain-Tilt Management of Optical Amplifiersġ0.8.1 Gain Tilt Control at the Card Levelġ0.9.1 OC-192/STM-64 Data Rate (9.95328 Gbps)