10 Link card package LBB 6722/0010.1 Functional descriptionThe link card package gives you the possibility to connect (link) two DCUs to eachother (figure 10.1). This expands the standard capacity of 16 base stations up to 32 basestations and 64 hand sets up to 128 handsets (see table 10.1). A linked system providesseamless handover and roaming between all base stations in the system.CHAPTER 10Installation Instructions36 DECT60009922 141 80271 03-07enRS232 Link cablePABXDCU masterlinkcardAlphadeskcentralcontrol PCBSBSBSDCUOKR1MENU2 34 5 67 8 90 #ABCJKLTUVDEFMNOWXYZGHIPQRS*OKR1MENU2 34 5 67 8 90 #ABCJKLTUVDEFMNOWXYZGHIPQRS*OKR1MENU2 34 5 67 8 90 #ABCJKLTUVDEFMNOWXYZGHIPQRS*BSBSBSOKR1MENU2 34 5 67 8 90 #ABCJKLTUVDEFMNOWXYZGHIPQRS*OKR1MENU2 34 5 67 8 90 #ABCJKLTUVDEFMNOWXYZGHIPQRS*OKR1MENU2 34 5 67 8 90 #ABCJKLTUVDEFMNOWXYZGHIPQRS*slavelinkcardFigure 10.1 Linked systemDCU configuration Maximum numberof base stationsMaximum numberof ACUsMaximum numberof handsets(ACU x 8)1 DCU 8 8 641 DCU + extension card 16 8 642 DCUs (linked system) 16 16 1282 DCUs (linked system) +1 extension card24 16 1282 DCUs (linked system) +2 extension cards32 16 128Table 10.1 DCU configurations