The Model H619 Telephone Interface Hub distributes up to four telephone lines to as many as 12 telephone locations via RJ-45 jacks. The Model H619 also includes two labeled RJ-45 expansion jacks for connecting multiple H619s. The 110 punch-down terminals can be used for input or output of the four telephone lines. Also known as -OpenHouse H619 RJ45 Telephone Interface Hub-OPEN HOUSE H619 4 x 12 RJ-45 Telephone Interface Hub-Linear H619 4 x 12 RJ-45 Telephone Interface Hub
