Introducing the NEC BE110256 SL1100 4-Port CO Trunk Daughter Board, designed to enhance your communication system. This advanced daughter board offers seamless connectivity with four standard loop-start CO trunks, ensuring reliable and efficient call handling. Additionally, it supports up to eight digital stations, making it perfect for growing businesses. You can expand your system further, as you can add a maximum of three of these boards to your setup. Upgrade your NEC SL1100 system today and experience improved performance and flexibility. Don't miss out on this essential addition to your communication infrastructure!