Amazon.com: RJ45 to RJ11 Cable, 6 Feet Phone Jack to Ethernet Adapter RFAdapter RJ11 6P4C Male to RJ45 8P8C Male Connector Plug Cord for Landline Telephone : Electronics
AMPCOM Network Cable Tester, for LAN Phone RJ45/RJ11 /RJ12/8P8C/6P6C/6P4C/6P2C/CAT5e/CAT6/CAT6A/CAT7/CAT8 UTP/STP Wire Test Tool (Black): Amazon.com: Industrial & Scientific