Panasonic KX-NS8290 Installation Manual page 19

Note
You can connect the Trunk Adaptor to the PBX without the need for activation keys.
E1 Trunk Adaptor (KX-NS8188)/
PRI Adaptor (KX-NS8290)
E1/PRI
(23 ch/30 ch)
DSU* 1
Telephone
Company
*1 DSU: Digital Service Unit
LAN
PC (Web
Maintenance Console)
2.1.3 System Connection Diagram
Pure IP-PBX
(KX-NS1000)
SIP Phone
(KX-UT series)
IP-PT
(KX-NT series)
Installation Manual 19