Towermax CO/4 Module Towermax CO/4 for up to 4 CO lines, RJ-11/45. Protects four CO lines.
Key Features:
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4 RJ-11/45 jacks through 2 ports (2 lines, 2 equipment pins 3,4,5,6 on each port)
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Use with Towermax KSU base unit. Includes two 7-foot phone cords. Clamping level 240 volts
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