Toshiba Strara CTX Series Installation And Maintenance Manual page 28

Strata CTX Configuration
Universal Slot PCBs
Universal Printed Circuit Boards (PCBs) installed in the Strata CTX100 or CTX670 cabinets provide
interfaces for stations, lines, and peripherals. Each PCB measures 7.5 x 5.5 inches (190 x 140 mm) and
mounts in the slot with a 44-pin backplane connector. PCB external connections to station equipment
are made to the Main Distribution Frame (MDF) using industry-standard connectors.
Station, Line and Option PCBs
The PCBs are categorised as station, Exchange line or option PCBs (see
subassemblies that plug onto a universal slot PCB, such as the Standard Telephone Interface
Subassembly (RSTS), are listed below the associated PCB.
Table 1-9 Station PCBs
Digital Telephone Interface Unit (ADKU) (CTX100 only)
Provides eight circuits for 3000 and/or 2000-series
digital telephones.
Digital Telephone Interface Unit (BDKU)
Provides eight circuits for 3000 and/or 2000-series
digital telephones (BDKU) + eight more with BDKS
(optional).
Digital Telephone Interface Subassembly (BDKS)
Provides eight additional circuits for 3000 and/or 2000-
series digital telephones. Attaches to BDKU. One per
BDKU. Do not use if Speaker OCA is required for
BDKU ports.
Digital Telephone Interface Unit (PDKU2)
Provides eight digital telephone circuits (2000-series
phones only. Do not use the PDKU for 3000-series
digital telephones.). LCD display is only 16 characters
Spdial
wide and the button will not work.
Internet Protocol (IP) Interface Unit (BVPU)
Provides four VoIP Circuits as E&M Tie lines
One 10baseT port
One RS-232 maintenance port
H.323 standard for Voice over Internet Protocol (VoIP).
1-14
Interface Options: Provides the same interface options
as the BDKU (see below), but does not support BDKS.
Compatible only with CTX100.
Interface Options: Digital telephones (with or without
BHEU, BPCI, BVSU, DADMs, or digital cordless
telephone). Supports BDKS.
Stand-alone digital cordless telephone
DDSS console
BATI
DDCB
Supports large LCD (DKT3014) features.
Interface Options: Same as BDKU. Not compatible with
ADKU or PDKU.
Interface Options: Digital telephones (with or without
BHEU or HHEU, DVSU, DADMs, or digital cordless
telephone)
Stand-alone digital cordless telephone
DDSS console
DDCB
Does not support DKT3014-SDL features.
Interface Options: LAN, Internet, WAN.
Tables 1-9~1-11). Feature
Strata CTX I&M September 2002