Toshiba STRATA DK14 Installation And Maintenance Manual page 109

Table 3-9 Universal Slot PCB Descriptions (continued)
PCB Title
RBUU/
SDN BRI-U Interface
RBUS
RPTU ISDN 24-channel PRI
RDTU T1/DS1 Interface Unit
BVPU Voice Over IP Gateway
Strata DK I&M 6/00
Description
2 ISDN BRI, U point circuits (2B+D each). RBUU is the host for the
RBUS subassembly. Network and/or station side.
DK40 and DK424i: 1 circuit/ISDN PRI.
DK424i: 23 B channels/1 D channel.
DK40i: 8 or 12 B channels/1 D channel.
DK424 or DK424i provides 1~8, 1~12, 1~16, or 1~24 channels
(lines), depends on system programming. DK401i provides 8 or
12B channels.
Combines fucntsions of a 4-circuit REMU E&M Tie line card and a
Voice Over Internet Protocol (IP gateway on a single PCB. H.323
standard for Voice over Internet Protocol (VoIP).
DK40i Installation
Universal Slot PCBs
Page
16-31
16-9
8-8
9-6
3-39