SL1000
NEC Keyphone SL1000 Main KSU Only
Built-in 4CO 8 EXT, expandable to 16CO 32EXT
Web-based configuration (TCP/IP) via built-in Ethernet Port
Built-in Caller ID and Doorphone/Door Relay Function
Come with battery connection cable
Download Pdf file : https://cdn1.npcdn.net/attachments/1416900862471ef3f70ab882794ef66c4f211962d7.pdf
Built-in 4CO 8 EXT, expandable to 16CO 32EXT
Web-based configuration (TCP/IP) via built-in Ethernet Port
Built-in Caller ID and Doorphone/Door Relay Function
Come with battery connection cable
Download Pdf file : https://cdn1.npcdn.net/attachments/1416900862471ef3f70ab882794ef66c4f211962d7.pdf