Sl1100 Expansion Key Service Unit 0x8x4

SL1100 Basic unit 0x8x4 – 8 digital station line ports – 4 analog station line ports power supply and ac cable analog station ringing supply and MW lamp driver cat 5 cable and ferrite core for connection to the main ksu requires that main ksu be equipped with the expansion ksu interface card 1100110 maximum of 3 per system with software version