Description
The Toshiba 4-Loop Start CO Line Interface Unit (RCOU3) features: 
• Provides 4 CO analog loop start line circuits (without RCOS subassembly) 
 • Provides 8 CO analog loop start line circuits (with RCOS subassembly) 
• Works on the Toshiba CTX100 and the CTX670 telephone systems
 • Refurbished 
• One year warranty
