Abstract: The specification describes a front-facing terminal block 10 for mounting to a support bracket 12 that is affixed to telecommunication main distribution frame for interconnecting telephone equipment. The front facing terminal block 10 has a generally rectangular housing 14 with a top panel 16, rear panel 18, bottom panel 20 that extend between side panels 22 and 24 defining a front opening 28. A terminal field assembly 38, having an insulative panel 40 with an array of electrical terminal pins 50 formed therein, is pivotally mounted adjacent the forward end of the housing 18 for pivotal movement from a down position projecting into the front opening 28 to an upward position away from the front opening 28. The terminal pins 50 connected by wires to either 50-pin female receptacle ribbon connectors 98 or 64-pin female receptacle ribbon connectors 104 or a combination of the two.