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Cisco 10000 Series Router SIP and SPA Hardware Installation Guide
OL-13838-03
Chapter 3 Cisco 10000 Series Router Shared Port Adapters
8-Port Gigabit Ethernet SPA Overview
Note The 1000BASE-ZX SFP modules provide an optical power budget of 21.5 dB. You should measure your
cable plant with an optical loss test set to verify that the optical loss of the cable plant (including
connectors and splices) is less than or equal to 21.5 dB. The optical loss measurement must be performed
with a 1550-nm light source.
1. Multimode fiber (MMF) only.
2. A mode-conditioning patch cord is required.
When using the SFP-GE-L with 62.5-micron diameter MMF, you must install a mode-conditioning patch cord between
the SFP module and the MMF cable on both the transmit and the receive ends of the link when link distances are greater
than 984
ft (300 m).
We do not recommend using the SFP-GE-L and MMF with no patch cord for very short link distance (tens of meters). The
result could be an elevated bit error rate (BER).
3. Dispersion-shifted single-mode fiber-optic cable.