Chapter 4 - Universal Slot Pcbs Station, Line And Option Pcbs - Toshiba Strata CTX100 General Description Manual

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 categorized as station, CO 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. For further details, refer to the Strata
CTX I&M Manual.
Table 14 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 BDKS for Speaker OCA
telephones, except in slot 103 of the CTX100.
Strata CTX General Description 11/02
Tables
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.
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14~16). Feature
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