Toshiba Strata Dk14, Dk40i, Dk424 Installation And Maintenance Manual

DK424 Configuration
System Capacity
Strata DK I&M     5/994-9
DK424 Configuration
Table 4-12 Digital, Tie, DID, Ground/Loop Start Digital T1 and ISDN PRI Lines Maximum Combined Capacities Table 4-10 CO Loop Start Analog Lines with Caller ID Maximum Capacities
1 Cabinet 
RCTUA2 Cabinets 
RCTUBA/BB3 Cabinets 
RCTUC/D4 Cabinets 
RCTUC/D5 Cabinets 
RCTUC/D6 Cabinets 
RCTUC/D7 Cabinets 
RCTUE/F
Lines Stations Lines Stations Lines Stations Lines Stations Lines Stations Lines Stations Lines Stations
8...

DK424 Configuration
System Capacity
4-10Strata DK I&M    5/99
Tables 4-13~4-18 show system maximum capacity examples with ISDN BRI (S/T and/or U) 
circuits.
Table 4-13 RCTUA Maximum Capacity Examples with ISDN BRI (S/T and/or U-type) Circuits
Table 4-14 RCTUBA/BB Maximum Capacity Examples with ISDN BRI (S/T and/or U-type) Circuits
BRI Station 
Circuits1BRI Station
B channels1Other Station 
Circuits3BRI Line 
Circuits4BRI Line
B channels4Other Line 
Circuits5
8 2 16 216 0 0 0
612 1624 0
510 1636 0
4 8 164...

DK424 Configuration
System Capacity
Strata DK I&M     5/994-11
DK424 Configuration
Table 4-15 RCTUC/D Maximum Capacity Examples with ISDN BRI (S/T and/or U-type) Circuits
Table 4-16 RCTUE/F Maximum Capacity Examples with ISDN BRI (S/T and/or U-type) Circuits
BRI Station 
Circuits 1BRI Station 
B channels 1Other Station 
Circuits 3BRI Line 
Circuits 4BRI Line
B channels 4Other Line 
Circuits 5
40 280 2144 82 16 248
30 60 164 8 16 68
20 40 184 8 16 88
16 32 192 8 16 96
12 24 200 8 16 104
8 16 208 8 16 112...

DK424 Configuration
Printed Circuit Boards
4-12Strata DK I&M    5/99
Printed Circuit Boards
The system interfaces with CO lines, stations, and peripheral devices via PCBs that plug into the 
Base and Expansion Cabinet slots and subassembly PCBs, that mount onto the plug-in type PCBs. 
Refer to Table 4-17 for a list of station and console PCBs supported by the DK424.
Table 4-17 PCB Circuits, Interface Options and Connectors 
PCBSubassemblyCircuitsInterface OptionsConnector
RPTU(DK424 only)
1 circuit/ISDN...

DK424 Configuration
Printed Circuit Boards
Strata DK I&M     5/994-13
DK424 Configuration
RCIU24 circuits
With RCIS: 8 circuitsLoop or Ground Start Lines with 
Caller ID. Requires: RCOU, RGLU2 
or PCOU
RJ14C modular
attaches to 
RCIU2RCISUsed with RCOU/RCOS, PCOU, 
and RGLU2 CO line PCBs to 
provide 4 Caller ID circuits.1 RCIS subassembly per RCIU2
RDDU4 DID circuits DID Lines RJ14C modular
RGLU24 line circuits  Loop or ground start lines RJ14C modular
PIOU, 
PIOUS, 
PEPU, 
RSSUA PIOU or PIOUS can use an...

DK424 Configuration
Printed Circuit Boards
4-14Strata DK I&M    5/99
PDKU28 digital telephone circuitsDigital telephones (with or without 
RPCI-DI, DVSU, DADMs, or digital 
cordless telephone)
Stand-alone digital cordless 
telephone
DDSS console
PDIU-DS
DDCB25-pair amphenol
Stratagy DK2, 4, 6, or 8 VM ports
All of the above Stratagy DK 
systems use 8 station ports in the 
DK40i and DK424 softwareNone None
PEKU8 electronic telephone circuitsElectronic telephones
HDSS console
Alternate BGM source
EOCU PCB...

DK424 Configuration
Printed Circuit Boards
Strata DK I&M     5/994-15
DK424 Configuration
RKYS Feature Key Upgrades
The system can be upgraded for built-in AA, Automatic Call Distribution (ACD), Software 
Management Information System (SMIS) for ACD with feature keys that attach to the common 
control unit. See Table 4-18 for a list of features provided by RKYS feature keys.
Table 4-18 RKYS Features
Option Interface PCBs for the DK424 are listed in Table 4-19. Refer to Chapter 10 – Peripherals 
for...

DK424 Configuration
Telephones
4-16Strata DK I&M    5/99
Telephones
The DK424 system supports Toshiba Proprietary Digital (DKT) and older series Electronic 
Telephones (EKTs). Standard telephones (500 or 2500 series) and devices that require a standard 
telephone line interface (fax, modem, VM, etc.) can also be connected to DK424.
Toshiba provides the following 2000-series Digital Telephones for Strata DK424 systems.
©DKT-2020SD–20-button speakerphone with LCD
©DKT-2010SD–10-button speakerphone with...

DK424 Configuration
Direct Station Selection (DSS) Consoles and Door Phones (MDFBs)
Strata DK I&M     5/994-17
DK424 Configuration
Direct Station Selection (DSS) Consoles and Door 
Phones (MDFBs)
Up to 12 door phones can be installed in a system with DK424 RCTUB, RCTUC/D and 
RCTUE/F, nine with RCTUA. Each is connected to a DDCB or HDCB door phone control box. 
See Table 4-20 for door phone configuration considerations.
Table 4-20 DSS Console and Door Phone Configuration 
Option 
UnitInterface/
PCBDK424...

DK424 Configuration
AC and Reserve Power Hardware
4-18Strata DK I&M    5/99
AC and Reserve Power Hardware
Detailed information for AC and reserve battery power installation is described in Chapter 5–
DK424 Cabinet Installation. These optional assemblies may be required, see Table 4-21.
©RBTC1A-2M and PBTC-3M–Battery connecting cables.
©RC7C1A-1.7M–Seventh cabinet battery and data cable kit.
©RBDB2–Battery power distribution box for up to seven cabinets.
©RPSB1 and RPSB2–three-outlet AC power strips, for...