SL1100 Main KSU (0 x 8 x 4) Model: IP4NA-1228-B KSU
Includes:: the following hardware components: CPU Board CPU-B1 8 Digital x 4 Analog Station Board 084M-B1 Voice Mail Daughter Board PZ-VM21 Memory Daughter Board PZ-ME50 Power Supply & AC Cable (8.5-Ft) Analog station ring supply & MW lamp driver Provides: Built-in 2-Channel Auto Attendant (4) Mobile Extension ports (16) Telephony resources (DTMF/DT/ Busy/FSK CID) (128) Tone sender resources (System tones/DTMF) (32) Conference channel resources Card/ Daughter Board Slots: (1) Slot for Vo IP Daughter Board (2) Slots for Station & PRI Cards (1) Slot for CO Trunk Card (on the 084M-B1 Card) (1) Slot for Expansion Card Connectors: (4) 8-conductor jacks for trunk/station connections 8-conductor jack for (2) General Purpose Relays (3) Audio jacks for MOH/BGM/ External Paging (1) Ethernet jack – for system programming & SMDR 2-pin connector for external battery backup