Toshiba Strata DK14 Installation And Maintenance Manual page 241

DK40i/DK424 Universal Slot PCBs
PDKU2 Digital Telephone Interface Unit
Programs 28 and 29: Digital Direct Station Selection Consoles (DDSS) assignments.
Program *29: Enables ADMs on 2000-series digital telephones.
Program 27: Adjusts initial off-hook volume level for digital telephone handsets.
Programs 30, 31: Enables OCA.
Programs 77-1, 77-2, 79, *79: Digital Door Phone/Lock Control Unit (DDCB) and door phone
ringing assignments.
Program 92-5: Initializes initial ringing, speaker, and muted ring volume levels of digital
telephones.
Backplane Connector
1371
50-Pin Female Amphenol Connector
Figure 7-2 PDKU2 PCB
7-7
Strata DK I&M 5/99