Telephony /Electronics use Gold Plated Modular Plug, One Pair.
Headset Telephony Gold Plated Modular Plug, Two Pairs.
Telephony Gold Plated Modular Plug, One Pair.
Telephony / CAT3 Gold Plated 6P4C Modular Plug, Two Pairs.
Telephony Gold Plated Modular Plug, Three Pairs.