The Cisco Meraki MA-CBL-100G-50CM is a high-speed, direct-attach copper (DAC) stacking cable designed for Meraki switches. It uses a QSFP28 form factor on both ends to provide a 100 Gigabit Ethernet connection over a short distance .
The Cisco CAB-SS-V35MT is a V.35 serial data transfer cable. It is designed to connect Cisco routers equipped with Smart Serial ports to DTE (Data Terminal Equipment) devices that support a V.35 interface.