Toshiba Strata Dk14, Dk40i, Dk424 Installation And Maintenance Manual

DK40i/DK424 Universal Slot PCBs
RSIU, RSIS, RMDS RS-232/Modem Interface Unit
Strata DK I&M    5/997-57
DK40i/DK424 Universal 
Slot PCBs
Figure 7-29 Placement of RCMS Subassemblies on the RMCU Interface Card
Figure 7-30 RCMS Subassembly (stand-alone)
Table 7-19 RCMS Subassembly Controls, Indicators, and Connectors
Controls, Indicators, & 
ConnectorsType of
ComponentDescription
SW101 Switch 3-dB PAD switch for circuit 1 or 3.
SW201 Switch 3-dB PAD switch for circuit 2 or 4.
J1
Connector BlocksJacks to...

DK40i/DK424 Universal Slot PCBs
RSIU, RSIS, RMDS RS-232/Modem Interface Unit
7-58Strata DK I&M    5/99
RMCU Installation
1. Insert the RMCU (component side facing right) into the appropriate slot, and apply firm, even 
pressure to ensure proper seating of the connectors. 
2. Gently pull the unit outward. If the connectors are properly seated, a light resistance is felt.
3. Wire the RCMS jacks, J4 and J5, to the network CAMA trunks per Figure 8-26 on Page 8-27.
4. Test the CAMA trunk and set the 3-dB PAD...

DK40i/DK424 Universal Slot PCBs
RSIU, RSIS, RMDS RS-232/Modem Interface Unit
Strata DK I&M    5/997-59
Table 7-20   LED Indications (Normal Operation) (continued)
1. If the NB LED stays ON, even if the modular connector of the network is connected, check the following:
lTip and Ring could be reversed.lNetwork could be busy.
RMCU/RCMS Programming
Program 03: Specify code 19 for the RMCU slot.
Program *11, *12, *13: Refer to the E911, CAMA trunk tab in the Strata DK Programming 
Manual and set Programs...

DK40i/DK424 Universal Slot PCBs
RSIU, RSIS, RMDS RS-232/Modem Interface Unit
7-60Strata DK I&M    5/99 

Strata DK I&M    5/998-1
DK40i/DK424 Universal 
Slot PCB Wiring
DK40i/DK424
Universal Slot PCB Wiring8
This chapter contains point-to-point wiring diagrams for connection of telephones, lines, 
peripheral equipment, and power supplies for the universal slot PCBs of both the Strata DK40i 
Expansion KSU and DK424 systems.
Wiring diagrams are divided into groups according to the PCB which provides the interface for, or 
controls the operation of, the associated equipment, as listed below:
©Station Wiring:...

DK40i/DK424 Universal Slot PCB Wiring
Station Wiring Diagrams
8-2Strata DK I&M    5/99
Station Wiring Diagrams
Digital Station Wiring
Figure 8-1 MDF Wiring for Digital Telephones (DKTs) and DDSS Console to PDKU
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BL-W
W-O
O-W...

DK40i/DK424 Universal Slot PCB Wiring
Digital Station Wiring
Strata DK I&M    5/998-3
DK40i/DK424 Universal 
Slot PCB Wiring
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W-GN
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W-BR
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R-BL
BL-R
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O-R
R-GN
GN-R
R-BR
BR-R
R-S
S-R
BK-BL
BL-BK...

DK40i/DK424 Universal Slot PCB Wiring
Digital Station Wiring
8-4Strata DK I&M    5/99
Figure 8-3 MDF Wiring-DDCB/Door Phone/Lock to PDKU
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BL-R
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O-R
R-GN
GN-R
R-BR
BR-R
R-S
S-R...

DK40i/DK424 Universal Slot PCB Wiring
Digital Station Wiring
Strata DK I&M    5/998-5
DK40i/DK424 Universal 
Slot PCB Wiring
Figure 8-4 External Power for PDKU Digital Telephone Connection 
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BL-R
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GN-R
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BR-R
R-S
S-R
BK-BL
BL-BK
BK-O
O-BK
BK-GN
GN-BK
BK-BR
BR-BK
BK-S...

DK40i/DK424 Universal Slot PCB Wiring
Digital Station Wiring
8-6Strata DK I&M    5/99
1. DDCBs connect only to Circuit 5, Ports 004, 012, 020, and 028.
NoteIndicate if PDIU-DS, digital telephone (with or without RPCI-DI), DSS console (number 
1~8), or DDCB is connected.
Figure 8-5 PDKU Station MDF Cross Connect RecordMDF Block Number KSU Slot Number
Color CodeDesignationCKT 
NumberPort 
NumberIntercom 
NumberDevice/Standard Telephone/Electronic 
Telephone Location
W-Bl T
1 Bl-W R
W-O PRW-T
O-W PRW-R
W-G...