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 X.21 cable has a DB15 female connector on each end. The standard IBM cable is 10 feet in length, but Stonewall can build this cable to any length. 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.