Toshiba Strata Dk14, Dk40i, Dk424 Installation And Maintenance Manual

DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
Strata DK I&M 5/995-51
DK424 Installation
RCTU Installation
CAUTION!
1. Do not remove the plastic insulation shield from the back of the RCTU PCB. If the 
shield comes off, do not allow the back of the PCB to contact metal.
2.The RCTU PCBs are shipped from the factory with the battery jumper in the “OFF” 
position. Ensure it is moved to the “ON” position before installing the RCTU to 
protect customer configuration information...

DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
5-52Strata DK I&M    5/99
If installing a RCTU PCB perform a processor RAM test using Program 00, part 2. On new RCTU 
installations, the RAM test should be run after RCTU initialization and before entering the 
customer database. 
The following parameters can be specified, through programming, for the RCTU PCB.
Program 00, part 2: RCTU RAM test.
Program 03:
ä
For RCTUA, RCTUBA3, RCTUC/D, RCTUE/F—assign the appropriate slot code...

DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
Strata DK I&M 5/995-53
DK424 Installation
Figure 5-32 RCTUA PCB Table 5-7 RCTUA Controls, Indicators, and Interface Connectors 
Control/Indicator/ConnectorType of ComponentDescription
DTMF Receiver Connector P2 10-pin male connectorInterface connector for optional DTMF receiver 
subassembly (RRCS).
Used in conjunction with P3, P4 and P5.
DTMF Receiver Connector P3 6-pin male connector Used in conjunction with P2, P4 and P5.
DTMF...

DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
5-54Strata DK I&M    5/99
Figure 5-33 RCTUBA PCB Table 5-8 RCTUBA Controls, Indicators, and Interface Connectors
Control/Indicator/ConnectorType of ComponentDescription
RCTUBA ribbon cable Connector 
P2Connector and ribbon 
cableRibbon cable connector for connection to 
RCTUBB. Used in conjunction with P2.
DTMF Receiver Connector P3 10-pin male connectorInterface connector for optional DTMF receiver 
subassembly (RRCS). Used in...

DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
Strata DK I&M 5/995-55
DK424 Installation
Table 5-9 RCTUBB Controls, Indicators, and Interface Connectors
Control/Indicator/ConnectorType of ComponentDescription
Connector P2Connector for ribbon 
cablesConnector for RCTUBA ribbon cables. Used 
with P2.
Connector P3Connector for ribbon 
cablesConnector for RCTUBA and RSIU ribbon 
cable. Used with P11.
Heart Beat indicator CD11 Red LEDFlashes to indicate operation (1/4 second ON 
—...

DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
5-56Strata DK I&M    5/99
Table 5-10 RCTUC3 Controls, Indicators, and Interface Connectors
Control/Indicator/ConnectorType of ComponentDescription
RCTUC Ribbon Cable Connector 
P2Connector and ribbon 
cableRibbon cable connector for connection to 
RCTUD. Used in conjunction with P2.
DTMF Receiver Connector P3 10-pin male connectorInterface connector for optional DTMF receiver 
subassembly (RRCS). Used in conjunction 
with P4, P5,...

DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
Strata DK I&M 5/995-57
DK424 Installation
Table 5-11 RCTUD3 Controls, Indicators, and Interface Connectors (for Release 3)
Control/Indicator/ConnectorType of ComponentDescription
RCTUD Connector P2Connector for RCTUC 
ribbon cablesUsed with P2.
RCTUD Connector P3Connector for RCTUC 
ribbon cablesUsed with P11.
BATT Battery Jumper P9 3-terminal jumperInterface connector for on-board lithium battery 
that protects configuration data...

DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
5-58Strata DK I&M    5/99
 
CAUTION!When removing the RTSS from RCTUE3, take off the RTSS slowly, rocking 
back and forth in the direction of the arrows in the diagram.
Table 5-12 RCTUE3 Controls, Indicators, and Interface Connectors
Control/Indicator/ConnectorType of ComponentDescription
RCTUF Connector P2Connector and ribbon 
cableRibbon cable connector to RCTUF and RSIU. 
Used in conjunction with P2.
RRCS Connector P8 10-pin...

DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
Strata DK I&M 5/995-59
DK424 Installation
CAUTION!When removing the RMMS from RCTUF, take off the RMMS slowly, rocking 
back and forth in the direction of the arrows in the diagram.
Table 5-13 RCTUF4 Controls, Indicators, and Interface Connectors
Control/Indicator/ConnectorType of ComponentDescription
RCTUE Connector P2 Connector and ribbon cableRibbon cable connector to RCTUE and RSIU. 
Used in conjunction with P2.
RCTUE...

DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
5-60Strata DK I&M    5/99
POW DTR DSR
Standard
Telephone Building #1
Building #2
PCOU, RCOU/RCOS
RGLU, RCIU/RCIS, 
RBUU/RBUS, 
RBSU/RBSS, 
RMCU/RCMS
RDDUElectronic
or Digital
Telephone
Electronic or Digital 
Telephone or Cordless Base
MDFB RATI
E&M Tie Line
Ground/Loop/ISDN BRI/
E911 CAMA Lines
Secondary protectors – standard voltage
Secondary protectors – low voltage HDCB
or DDCB PEKU
PESU
PDKU
RDSUHDSS  or DDSS
ConsoleHESB
RATU...