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Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 4 Optical Amplifier Cards
4.4.1 OPT-BST Faceplate Ports
• Nondistorting low-frequency transfer function
• Settable maximum output power
• Fixed output power mode (mode used during provisioning)
• ASE compensation in fixed gain mode
• Full monitoring and alarm handling with settable thresholds
• Optical Safety Remote Interlock (OSRI), a CTC software feature capable of shutting down optical
output power or reducing the power to a safe level (automatic power reduction)
• Automatic laser shutdown (ALS), a safety mechanism used in the event of a fiber cut. For details on
ALS provisioning for the card, refer to the Cisco ONS 15454 DWDM Procedure Guide. For
information about using the card to implement ALS in a network, see the “10.7 Network Optical
Safety” section on page 10-18.
Note The optical splitters each have a ratio of 1:99. The result is that MON TX and MON RX port power is
about 20 dB lower than COM TX and COM RX port power.
4.4.1 OPT-BST Faceplate Ports
The OPT-BST amplifier has eight optical ports located on the faceplate:
• MON RX is the output monitor port (receive section).
• MON TX is the output monitor port.
• COM RX is the input signal port.
• LINE TX is the output signal port.
• LINE RX is the input signal port (receive section).
• COM TX is the output signal port (receive section).
• OSC RX is the OSC add input port.
• OSC TX is the OSC drop output port.
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