4 Wire DB9 F RJ-11 Modular Adapter
By Newark (50F6451)
MCM Part #50F6451
Adapters allow the use of low cost flexible telephone wire instead of bulky RS-232 cable. Screw together hoods with an RS-232 connector one end and an RJ-11, RJ-12 or RJ-45 telephone jack on the other end. Telco cables and connectors are available separately.