NEC IP7WW-082U-B1 8 Digital Extensions + 2 Analog Extensions board - BE116506

This 082U-B1 board is installed to the Universal slot in the IP7[ ]-4KSU-C1 chassis and provides a total of eight digital extension ports and two analog extension ports. Two general purpose relay, one Audio-In and Audio-Out ports are initially available. Either the analog trunk daughter board (3COIDB), ISDN BRI daughter board (2BRIDB) or ISDN PRI/T1/E1daughter board (1PRIDB) can be mounted on this board – Install this board to the Universal slot at Controlling/Expansion Chassis – Enable to connect DSS console to any digital extension port – Enable to connect up to two Door Boxes to analog extension ports on this board – The 308U-A1 board and 082U-B1 board cannot be installed in the same system https://www.nec-enterprise.com/