Keysight 11898A Features:

• Cable length: 1.2 m (typical)
• Extension: 1.5 m (from front panel of mainframe to front panel of plug in module)
• Electrical (remote operation of a module in the extender cage):
  • Additional trigger delay: approx. 8 ns (trigger input at mainframe), approx. 18 ns (trigger input at remote module)
  • Minimum system trigger delay: approx. 30 ns (trigger input at mainframe), approx. 40 ns (trigger input at remote module)
• Compatibility: 83480/54750/86100 families of mainframes and modules