The Pulse-Jack RJ-45 connector integrates magnetics and telephone-network voltage circuit protection via transformers and line-side protection in a single-port component. Designated the J1501F21, the connector is a through-hole, tab-up jack for interfacing with PMC-Sierra transceivers (PM4351 and 4354) for long haul and short-haul applications. Other features include an inductance of 0.6 µH and an operating temperature of 0ûC to 70ûC. For further information and price, call PULSE ENGINEERING, INC., San Diego, CA. (858) 674-8100.