PVC (more info)
Most commonly used jacket. Perfect for many standard applications.
Plenum (more info)
Generally required for use in public buildings.
Low Smoke ZeroHalogen (more info)
Ideal for military applications, industrial facilities, hospitals, and airports.
Protocol:
Note: This is a Cisco back-to-back router cable. This RS-449 cable connects a Cisco router with a Smart Serial 26 DTE interface to a Cisco router with a Smart Serial 26 DCE interface. Lengths under 3 feet are non-returnable. Most applications require a PVC jacket. Stonewall also offers a plenum rated jacket and a Low Smoke Zero Halogen (LSZH) jacket. See Jacket Types sidebar for more information.