bundle

1. A group of optical fibers or electrical conductors, such as wires and coaxial cables, usually in a single jacket. Note: Multiple bundles of optical fibers or electrical conductors may be placed in the same cable. [After 2196]
2. In cryptography, the three cryptographic keys (K1, K2, K3) used with a TDEA mode. [After X9.52] [After X9.65]