1-Wire Bus 1x1 Coupler, 6P4C (RJ11) Connectors - Sealevel
QD to RJ11 adapter cable + universal switch – TELLUR
Modular Adapter Kit DB9 Female to RJ11 RJ12 Beige | Computer Cable Store
AC 164110 MIC: Adapter RJ-11 to ICSP at reichelt elektronik
Telephone Adapter RJ11 Plug to BT Socket Male / Female Modem 4 WIRE Stub Lead 5056255313407 | eBay
RJ11 Phone Networks Modem Adapter for Connecting ADSL Cable to Telephone Line - Walmart.com
Amazon.com: RJ45 to RJ11 Cable, 6 Feet Phone Jack to Ethernet Adapter RJ11 6P4C Male to RJ45 8P8C Male Connector Plug Cord for Landline Telephone : Electronics
RJ11 Duplex Jack Adapter - Ivory
Modular Adapter Kit DB9 Female to RJ11 RJ12 Black | Computer Cable Store
RJ22 Jack Adaptor (RJ11 to RJ22) - BAPI
NVT Phybridge RJ11 to Two-Screw Terminal Adapter NV-RJ11A-2P B&H
RJ11 One Male to Two Female Modular T-Adapter
UIS Lighting Adapter Type-A, for RJ11/12 Connector Lights with PWM or 0-10V Dimmers - AC Infinity
Kanda - 10-way to RJ11 Adapter for PIC Programmers