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*This photo also shows attenuation, more notes on that at Optical: Power and Calculating Loss on a Fiber Span
ASR920
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- On the Cisco ASR-920-4SZ-A:
- Odd ports (top row, ports 3 and 5) will have the transmitter on left, receiver on the right
- Even ports (bottom row, ports 2 and 4) will have the receiver on the left, transmitter on the right
