What is the Sandstone QSFP-4SFP10G-CU1M-ST?
The Sandstone QSFP-4SFP10G-CU1M-ST is a QSFP optical transceiver module, listed by the manufacturer as "Cisco compatible QSFP to 4xSFP10G Passive Copper Splitter Cable, 1m". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.