Firefly; Table 11 Firefly Part Numbers; Figure 9 Firefly Locations - Alpha Data ADM-PCIE-8K5-FH User Manual

3.6 FireFly

If the 8K5-FH is ordered with the XCKU115 FPGA, two optional FireFly receptacles near the front of the board
allow for additional 16.375G lanes. The FireFly connections have the same capabilities as the SFP+ cages, with
much greater lane width. There are 4 lanes per FireFly, adding up to 8 lanes at 16.375Gps resulting in 131Gbps
total bandwidth. This can be configured in a ring orientation as depicted in the image below, or allow for MPO
style breakouts at the front panel (full-height panel only).The ADM-PCIE-8K5-FH support both copper and optical
FireFly modules. More information on FireFly can be found at https://www.samtec.com/optics/optical-cable/
mid-board/firefly
Both FireFly sites have control signals connected to the FPGA. Their connectivity is detailed in the
Pinout Table at the end of this document. The notation used in the pin assignments is FireFly0 and FireFly1 with
locations clarified in the diagram below.
The FireFly sites can fit a number of standard cables. Below is a list of supported part numbers. Contact Alpha
Data or your local Samtec representative for more details.
56G/40G (4x14/10) FireFly Optical Transceiver
65.5G (4x16.375) FireFly Copper Cable
Page 12
Figure 9 : FireFly Locations
Description
Table 11 : FireFly Part Numbers
ADM-PCIE-8K5-FH User Manual
Part Number
ECUO B04 14 017 0 2 1 1 01
ECUE 08 020 T2 FF B4 1 D1
Complete
Manufacturer
Samtec
Samtec
Functional Description
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