Description
The Vertical Summit 100 4-CO Line Interface Unit (VS-5131-M4) features:
• COIU4 board has four (4) CO line interface ports
• May be installed on:
— MBU (CN21 & CN22, CN31 & CN32) or
— SLIB8 (CN3 & CN4) or DTIB8 (CN3 & CN4)
• Condition: New
• One-Year Warranty