Toshiba 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 5/00
Description
2 ISDN BRI, U point circuits (2B+D each). RBUU is the host for the
RBUS subassembly. Network and/or station side.
DK40i and DK424i: 1 circuit/ISDN PRI.
DK424i: 23 B channels/1 D channel.
DK40i: 8 or 12 B channels/1 D channel.
Provides 1~8, 1~12, 1~16, or 1~24 channels (lines), depends on
system programming.
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
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16-9
8-8
9-6
3-39