Allen Tel GB183C1M Blue Telecom Backboard with Brackets Punchdown and Termination Tool Accessories GB31454 is for auto ring

GB31454 is for auto ring down or dedicated lines

ECCN EAR99 Country of Origin TW - Taiwan UNSPSC 43223300 Color Family Black Width 19 in

Consists of a 2-position throw-over switch wired to two 4-conductor 4-position modular jacks and a 4-conductor 8 inch modular cord and plug

Replaces the push button dial panel on 2500-type telephone sets

Housing is equipped with gaskets and the logo "TELEPHONE"

Allen Tel GB183C1M Blue Telecom Backboard with Brackets Punchdown and Termination Tool Accessories GB31454 is for auto ringProduct Details ECCN EAR99 Country of Origin US United States UNSPSC 43223300 Color Family Blue Material Metal Color Blue Product Overview Blue metal backboard providing up to four (4) 25 pair terminations. Backboard 8 1 2 x 10 inches Space between mounting brackets accommodates cross connect wires Fire retardant paint on all wood backboards Includes two GB89D mounting brackets