Cisco CP-7940G:

• Model: Cisco CP-7940G
   
• Network Technology: 40Gbps
• Media Type Supported: Single-mode Fiber
• Connector Type: LC
• Wavelength: 1310nm
• Maximum Distance: 10 kilometers
• Operating Temperature: 32 to 104 degrees Fahrenheit (0 to 40 degrees Celsius)
• Form Factor: Hot-swappable

The Cisco CP-7940G is a 40GBASE-LR4 SFP+ Transceiver that can be used to connect two devices over fiber optic cable. It has a maximum distance of 10 kilometers, which means that it can be used to connect devices that are located over a long distance from each other.

Here are some of the features of the Cisco CP-7940G:

• 40Gbps: The Cisco CP-7940G can support data transmission speeds of up to 40Gbps.
• Single-mode Fiber: The Cisco CP-7940G can be used with single-mode fiber optic cable, which is a type of fiber optic cable that is designed for long-distance transmission.
• LC Connector: The Cisco CP-7940G uses an LC connector, which is a standard type of connector used for fiber optic cables.
• Hot-swappable: The Cisco CP-7940G is hot-swappable, which means that it can be replaced without interrupting network traffic.
• LR4: LR4 stands for Long Reach Quad, which means that the Cisco CP-7940G can be used to transmit data over longer distances than a standard 40GBASE-LR transceiver.

The Cisco CP-7940G is a reliable and high-performance SFP+ transceiver that is a good choice for applications that require high-speed data transmission over long distances.