Check the listing for details. 7 ft Black Box Serial cable EL6MS-07 for Servswitch and telecom uses. Condition: Open box. Listed at 19.95 USD. Black Box brand PT# RJ-11 Modular Cable, 6-Wire, Straight-Pinning, 7-ft. (2.1-m) From the mfgrRJ-11 Modular Cable, 6-Wire, Straight-Pinning, 7-ft. (2.1-m) MFG Part Number: EL06MS-07 Description RJ-11 Modular Cable, 6-Wire, Straight-Pinning, 7-ft. (2.1-m) Quick Facts  High-quality flat-satin cable for data and voice applications.  Stranded conductor.Guaranteed for life!  Further Details  All-purpose cable is for voice and data applications running up to 1 Mbps.  Not recommended for Token Ring or Ethernet applications. Technical Specifications for RJ-11 Modular Cable, 6-Wire, Straight-Pinning, 7-ft. (2.1-m): Cable Construction — Gray flat satin, PVC Conductor Gauge — 28 AWG Distance (Maximum) — As per equipment specifications Mutual Capacitance — 22 pF/ft. Resistance — 45 ohms/1000 ft. Connectors — 6-wire NO RETURNS ACCEPTED