Sub Assemblies For Universal Slot Pcbs - Toshiba Strata DK40 Installation & Maintenance Manual

DK40 Installation

Sub Assemblies for Universal Slot PCBs

The following subassemblies can be installed onto certain Universal Slot PCBs if fitted into
one of the expansion cabinet slots.
Table 2-14 Sub Assembly PCB Descriptions
Subasssembly
IMDU
R48S
RBSS
R40S1
2-52
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
Host PCB
PIOU/PIOUS
RSTU
RBSU
RBSU
Sub Assemblies for Universal Slot PCBs
Function
Provides remote maintenance 300 or
1200 bps full duplex modem.
Provides loop voltage of -48v instead of
-24v to extend the standard telephone
circuit loop length from 168 to 504 ohms.
Provides an additional two S-BUS (NT)
ISDN BRI circuits (4 B channels).
DC40v power supply unit for fitting on
RBSU1A. Supplies PSI to ISDN TE.
Strata DK40 I&M Manual Spring 1999
Capacity
one per system
one per RSTU
one per RBSU
one per RBSU