Toshiba Strata Dk14, Dk40i, Dk424 Installation And Maintenance Manual

							DK424 Installation
Reserve Power Installation
Strata DK I&M 5/995-41
DK424 Installation
1. When floor mounting the DK424, the batteries must be installed by a licensed electrician per local electric code using conduit. 
(See Figures 5-25, 5-21 and 5-22 DKSUE424.)
2. RBTC1A-2M cable current ratings: discharge, 12 amps max./charge, 3.9 amps max.
3. PBTC-3M and RBTC1A-15M cable current ratings: discharge, 4.9 amps max./charge 0.6 amps max.
4. Batteries should be installed in a customer-supplied commercial battery box or enclosed rack.
Figure 5-25 Battery Wiring Diagram (Two or Four Batteries) Wall Mount Only
Notes
lPBTC-3m cables are used for one or two cabinets installations (see Figure 5-21); two 
RBTC1A-2M cables are used for three or more cabinet installations (DKSUE424).
Important!Since these cables are not UL listed, a licensed electrician should install them.
Cables connecting to batteries must be 16 AWG minimum.
To RPSU280 “BATT”
Connectors (6 max)White Wire
Black Wire
2-Batteries/1~7 Cabinets (with RBDB2)1
12 Volt4
Batteries
80 AMP/
HR Each
RBTC1A-1.5M Cables (6-max) Cable for 7th cabinet
(order number  RC7C1A-1.7M)
12A Fuse
4-Batteries/1~7 Cabinets (with RBDB2)
RBTC1A-2M
Cable (6.5 ft)2
To RPSU280 “BATT” 
Connectors (6 max)
2-Batteries/1-Cabinet (without RBDB)
12 Volt4
Batteries
80 AMP/
HR Each12 Volt4
Batteries
80 AMP/
HR Each
10A Fuse
PBTC-3M Cables (9 ft)
– +
RPSU 280 BATT
Cconnnector
RPSU 280 BATT
connnector
RPSU 280 BATT
connnector
RPSU 280 BATT
connnector
RPSU 280 BATT
connnector
4-Batteries/2-Cabinets  (without RBDB)
2-Batteries/2-Cabinets (without RBDB)
10A Fuse
10A Fuse
PBTC-3M Cables (9 ft)3
Expansion CabinetBase Cabinet Base Cabinet
Expansion CabinetBase Cabinet
10A Fuse
PBTC-3M Cables (9 ft)
12 Volt4
Batteries
80 AMP/
HR Each
12 Volt4
Batteries
80 AMP/
HR Each ++––
BATT
PSU
RBDB2RBTC1A-2M2
Cable (6.5 ft)– +
– +
– +
– +
“C” Cable 
“C” Cables
Fuses
(10 AMP)
3 cables for
7 cabinets only
3 cables for
7 cabinets only
RBDB2
(cover 
removed)
1477
RBTC1A-1.5M Cables (6-max)
Cable for 7th cabinet
(order number RC7C1A-1.7M) 
						

							DK424 Installation
Reserve Power Installation
5-42Strata DK I&M    5/99
 
Right Side View
Loosen bottom two cover
screws to remove cover
Bottom
Cabinet
RFMFI
+–BATT
LNAC120V
FG
RCCB
(Shown with cover off)
Loosen top two cover
screws to remove cover
RCCB1 or RCCB2
(Shown with cover on)
Side View of RCCB
Conduit Holes to
1/2 Inch 
(Tradesize)
Conduit
To RBDB or RBDB2
(Battery Distribution Box)
Battery Wires
(12-AWG minimum)
24 AMPS MaxAC Power Wire
(14-AWG minimum)
11.5 AMPS Max (RCCB1)
17.5 AMPS Max (RCCB2)
RCCB1 (3~6 Cabinets)
or 
RCCB2 (7 cabinets)
1473
Third cord is on 
RCCB2 only
Fuse Ratings
AC:
BAT:F1~F3, 250V, 12A
F4~F6, 250V, 15A
Figure 5-26 Conduit Connection Box (RCCB)
(Required to Floor Mount Three or More DK424 Cabinets Only) 
						

							DK424 Installation
Reserve Power Installation
Strata DK I&M 5/995-43
DK424 Installation
NoteAC/DC wiring and conduit “A” and “B” must be installed by a licensed electrician per 
local electrical code (conduit trade size is 1/2 inch).
See Figure 5-25 on Page 5-41 for battery specifications and wiring guidelines.)
Figure 5-27 Reserve Power/AC Wiring for Three to Six Cabinets (Floor Mount)
TO 
RPSU1
+ – + –
TO 
RPSU2
TO 
RPSU3
TO 
RPSU4
TO 
RPSU5
TO 
RPSU6
BATT
PSU
+     –BATT AC120VL   N    FG
A BA
B
1
6•
•
•
FG
+
+ –
– 12 VOLT 12 VOLT L
N
11.5 AMP
MAX
AC CIRCUIT
BREAKER
TO
BUILDING
GROUND
FI
(Maximum configuration: Cabinet 1 (top) ~ Cabinet 6 (bottom) right-hand side view)
Right Side View
RBTCIA-1.5M Battery
Cables, One to 
Each Power Supply
BATT Connector
(6-max)
RCCB to RBDB
Battery Connecting
Cables/Connectors
are Factory Wired on
RCCB
RCCB 1A, AC/DC
Conduit
Connection Box
(Shown mounted with
cover off)
12-AWG Wire
(Minimum)
RFMF, Floor
Mount Fixture14 AWG Wire
(Minimum) L = Line Wire (Hot)
N = Neutral Wire
FG = Ground WireAC Receptacles AC Power Cords/Plugs
from RPSB No. 1 and No. 2RBDB1A, Battery
Distribution/
Fuse Box (Shown mounted 
with cover on)RCCB to RBDB Cable/Connector RPSB - AC Power 
Strip No. 2 (3 receptacles)
for cabinet (4~6) power supplies RPSB - AC Power 
Strip No. 1
(3 receptacles)
for cabinet (1~3)
power suppliesCabinet 1
Building Main
Electrical
Distribution Panel
F1 = 24 AMP
Fuse12 Volt Batteries
Battery
Cabinet or
Rack
1
2
3-24VPOWER
+5V
-5V
AC INFGDC OUT
+-
ON
OFF
BATT
RPSU280 Power Supply
Front View
Cabinet 2 (etc)RBTCIA-1.5M
Cable from
RBDB
AC Cord
from
RPSB
DKSUB Ü
DKSUE Ü
1472 
						

							DK424 Installation
Reserve Power Installation
5-44Strata DK I&M    5/99
CAB 1
RPSB1A RPSB1A
EXP EXP EXP EXP EXP EXP BASE
RPSU280A
RPSU280ASeventh Cabinet 
BATT Cable
supplied with
RCTC1A-1.7M
BATT
AC IN BATT
AC IN
RPSU280A
BATT
AC IN
RPSU280A
BATT
AC IN
RPSU280A
BATT
AC IN
RPSU280A Cabinet 1
(Base)
Cabinet 2
(Expansion)
Cabinet 3
(Expansion)
Cabinet 4
(Expansion)
Cabinet 5
(Expansion)
Cabinet 6
(Expansion)
Cabinet 7
(Expansion)MBJU
Jumper Unit
BATT
AC IN
RPSU280A
External Battery (27.3VDC/35A max.)
AC Input (115VAC ± 10VAC/17.5A max.)
BATT
AC IN
RBTC1A-1.5M
(6  cables
supplied with
RBDB unit)
RBDB2A (7 cabinets)
RBDB1A (6 cabinets)
RCCB2A (7 cabinets)
RCCB1A (6 cabinets)
Data Cable #7 supplied
with RC7C1A-1.7M
Data Cable #1~6
supplied with
Expansion
Cabinets
1851
AC Cable
Figure 5-28 Reserve Power/AC Wiring for Three to Seven Cabinets (Floor Mount) 
						

							DK424 Installation
Printed Circuit Board (PCB) Installation
Strata DK I&M 5/995-45
DK424 Installation
Printed Circuit Board (PCB) Installation
This section provides procedures for the installation of DK424 Base and Expansion Printed Circuit 
Boards (PCBs). It includes installation instructions, optional configuration information, wiring, 
and programming considerations for each PCB.
The DK424 system Base and Expansion Cabinets are shipped empty. The power supplies and 
PCBs are not installed at the factory. PCBs must be installed according to the configuration 
information obtained and developed in Chapter 4 – Configuration.
lInstall PCBs only after installing the Base Cabinet and, if applicable, Expansion Cabinets 
per the Cabinet Installation section in this chapter.
lBe sure the power supply has been tested and the ground has been checked.
lInstall universal slot PCBs per the DK424 configuration guidelines.
NoteInformation in this section applies to both the Release 3 and Release 4 RCTU PCBs, 
unless specified otherwise.
PCB Installation Considerations
The Base Cabinet has eight slots. The first two slots, labeled “R11” and “RCTU” are reserved for 
the common control unit and future feature upgrades. The remaining six slots (labeled “S11,” 
“S12,” “S13,” “S14,” “S15,” and “S16”) are universal and capable of hosting any of the station, 
line, and option interface PCBs compatible with the DK424 systems. (If needed, RSIU must be 
installed in slot 11.)
The Expansion Cabinets have eight universal slots, labeled “S_1,” “S_2,” S_3,” “S_4,” “S_5,” 
“S_6,” “S_7,”“S_8,” where the blank space of the label represents the number of the Expansion 
Cabinet. Like the universal slots in the Base Cabinet, these universal slots are capable of hosting 
any of the station, line, and option interface PCBs (except RSIU which can only be installed in slot 
11). 
The DK424 Expansion Cabinet slots labeled “S_7” and “S_8,” can only be used when an RCTUE/
F processor is installed in the DK424 Base Cabinet. When the RCTUE/F processor is installed in 
the DK424 Base Cabinet, the MBJU PCB must be removed from the Base Cabinet to allow S_7 
and S_8 to function in the DK424 Expansion Cabinets (see Figure 5-28 to locate MBJU).
If RCTUA, BA/BB, or C/D are installed in the DK424 Base Cabinet, only slot S_1~S_6 can be 
used in DK424 or DK280 Expansion Cabinets. When these processors are installed in the DK424 
Base Cabinet, the MBJU PCB must be installed on the Base Cabinet (see Figure 5-28 to locate 
MBJU).
Cabinets are numbered from 1 to 7. The Base Cabinet is numbered 1; the first Expansion Cabinet, 
number 2; the second Expansion Cabinet, number 3; etc. See the DK424 Configuration and 
Universal Slot PCB section for details regarding PCB installation.
PCB Option Considerations
DK424 PCBs may be configured for a variety of hardware and software options. Hardware options 
are defined as either internal (generally related to optional PCB subassemblies) or external (related 
to connection of peripheral equipment such as background music, voice mail, etc.). Hardware and 
software options for each PCB are identified in the individual PCB installation procedures in this 
chapter. 
						

							DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
5-46Strata DK I&M    5/99
Hardware Options
Some PCBs must be configured for hardware options prior to installation of the PCB in the 
cabinet. Configuration instructions for internal hardware options are provided in the individual 
PCB installation procedures in this chapter. Configuration instructions for external hardware 
options are provided in Chapter 10 – Peripheral Installation.
Software Options
PCBs are configured for software options through programming, following the installation 
instructions of the PCBs. A programming overview for each PCB is provided in the individual 
PCB installation procedures in this chapter. Refer to the Strata DK Programming Manual for 
detailed programming instructions.
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F
Common Control Units
System:DK424 Base Cabinet
Current Version:RCTUA3, RCTUBA3/BB4, RCTUC3/D4, RCTUE3/F4
Older Version(s):RCTUA1, RCTUB1&2, RCTUC/D1&2, RCTUBB3, RCTUD3, RCTUF3
The common control unit provides centralized control for the system. It incorporates a 16 or 32 bit, 
68000-type microprocessor and contains a custom time switch and conference Large Scale 
Integration (LSI) circuitry. 
The processor operating software is programmed on four read-only-memory (ROM) chips on the 
RCTUA3 or RCTUA4, BB3 or BB4, and D3 or D4 PCBs and on the Flash Memory PCB RMMS 
on the RCTUF3 or F4 PCBs. The operating software (ROM or RMMS) is factory-installed.
The RCTU PCBs also provide busy tone detection as a standard feature for Auto Busy Redial 
(ABR) and interfaces with optional RRCS DTMF receivers, feature keys (RKYS1, 2, or 3) for 
Auto Attendant (AA), Automatic Call Distribution (ACD), Management Information System 
(MIS) for ACD, Toshiba proprietary RS-232 and SMDI voice mail interfaces.
ACD and attendant consoles requires the RCTUBA/BB, RCTUC/D and RCTUE/F processors.
Important!When installing RCTUE/F, you must remove the Motherboard Jumper Unit (MBJU) 
from the DK424 Base Cabinet (between R11 and RCTU slot on the front side of the 
cabinet motherboard), see Figure 5-28 to locate MBJU. If installing an RCTUA, BA/
BB, C/D, the MBJU must be installed on the DK424 Base Unit.
PCB Installation Power Supply Considerations
1. The power supply must be OFF whenever removing or installing the common control unit—
RCTUA, RCTUBA/BB, RCTUC/D and RCTUE/F (see Figure 5-29).
2. It is recommended that the power supply be OFF, whenever possible, when removing or 
installing the other PCBs. 
						

							DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
Strata DK I&M 5/995-47
DK424 Installation
Figure 5-29 RCTU Slot Placement
Maximum Line Capacities
Configurations for a fully-expanded system can range from 40 lines/ 336 stations to a squared 
system of 200 outside lines/192 stations.
Table 5-5 Maximum Line Capacities by Processor Type
Common Control UnitNumber of CabinetsMaximum
Lines Stations
RCTUA  one Cabinet (Base Cabinet) 16 32
RCTUBA/BBup to two Cabinets (Base Cabinet plus 
one six-slot Expansion Cabinet)48 80
RCTUC/Dup to six Cabinets (Base Cabinet plus 
up to five more six-slot Expansion 
Cabinets) 144 240
RCTUE/Fup to seven Cabinets (Base Cabinet 
plus up to six more eight slot Expansion 
Cabinets) 200 336
RCTUBB,
RCTUA, 
or RCTUDRCTUD only To RSIU if installed
RCTUBA
or
RCTUC
Slot R11 Slot RCTU (Base Cabinet)
P3 P2
P11P2Heartbeat LED
4310
RCTUBB,
RCTUA, 
or RCTUDRCTUD only To RSIU if installed
RCTUBA
or
RCTUC
Slot R11 Slot RCTU (Base Cabinet)
P3 P2
P11P2Heartbeat LED 
						

							DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
5-48Strata DK I&M    5/99
Additionally, each of the common control units can support a separate set of features. Refer to 
Chapter 4 – Configuration for more information.
Each of the common control units (except RCTUBB) may be equipped with an RRCS (4, 8, or 12) 
to interpret Dual-Tone Multi-Frequency (DTMF) signals transmitted from Tie/DID lines, built-in 
AA and standard telephone ports. The common control units also provide an interface (along with 
a volume control) for a Music-on-hold (MOH)/Background Music (BGM) source.
RCTU PCBs are described later in this chapter.
Internal Hardware Options
The RCTU common control units support the following hardware options:
DTMF Receiver Unit (RRCS-4, RRCS-8, RRCS-12)
There are three RRCSs: the RRCS-4 has four DTMF receiver circuits; the RRCS-8 has eight 
receiver circuits; and the RRCS-12 has 12 receiver circuits.The RRCS is shown in Figure 5-31.
The RCTUA can support up to 12 DTMF receiver circuits; RCTUBA has up to 12 circuits; the 
RCTUC/D has up to 24 circuits (one RRCS on RCTUC and one RRCS on RCTUD), and the 
RCTUE/F has up to 24 circuits (one RRCS on RCTUE and one RRCS on the RCTUF).
RKYS Feature Key Upgrades
The system can be upgraded for built-in AA, ACD, and MIS for ACD with the following feature 
keys that attach to the common control unit.
Table 5-6 RKYS Features
ä
To install the RKYS (1, 2, or 3)
ä
Insert the RKYS into the socket on the appropriate RCTU PCB (see Figure 5-30
).
NoteOnly one RKYS socket is available on the card.
It is not necessary to run any special programs (i.e., Program 03) when RKYS is installed. RKYS 
can be installed before or after system initialization, and, before or after the customer database is 
entered. The feature(s) provided by the RKYS are immediately enabled when the RKYS is 
installed. However, configuration programs for AA and ACD must be run for the feature to 
operate.
Feature KeyCommon Control UnitFeature(s) Provided 
RKYS1 Applies to all RCTUs
lBuilt-in Auto Attendant
RKYS2 RCTUBA/BB, RCTUC/D, or RCTUE/F
lBuilt-in Auto Attendant
lACD
RKYS3 RCTUBA/BB, RCTUC/D, or RCTUE/F 
lBuilt-in Auto Attendant 
lACD with an MIS 
application 
						

							DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
Strata DK I&M 5/995-49
DK424 Installation
Music-on-hold/Background Music Volume Control (External Options) 
Each of the common control units (except RCTUBB, RCTUD and RCTUF) has a trim 
potentiometer (VR1) to adjust the volume of the MOH/BGM source connected to the Music-on-
hold (MOH)/Background Music (BGM) RCA jack interface, which is also on the common control 
unit. The volume control potentiometer and the MOH/BGM interface are on the RCTUA, 
RCTUBA3, RCTUA4, RCTUC, RCTUE3 and RCTUE4 PCBs.
The VR1 potentiometer does not control the volume of alternate BGM sources connected to either 
the RSTU2, RDSU, PSTU, PEKU, PESU, or other BGM source interfaces.
ä
To install the MOH/BGM source to common control unit
ä
Adjust the VR1 potentiometer to the desired volume level while listening to MOH or BGM 
(see Chapter 6 – Peripheral Installation).
RRCS
The DTMF receiver subassembly (RRCS) translates DTMF signals to data signals and attaches to 
common control units with 4, 8, or 12 receiver circuits.
RRCS (4, 8, or 12) Installation onto RCTUA
äMate RRCS connectors J1, J2, J3, and J4 (Figure 5-31) with RCTUA connectors P2, P3, P4, 
P5. Apply firm, even pressure to the RRCS to ensure proper mating of the connectors.
RRCS Installation onto RCTUBA, RCTUC/D, and RCTUE/F
RCTUBA provides up to 12 DTMF receiver circuits because an RRCS PCB can be installed on 
RCTUBA only and not on RCTUBB.
Backplane
Connector
TOSHIBA
RKYS_A
RCTU A, B, BB, D or FCBRUK1A
(Soldered on RCTU)
RCTUD 
Only
1956
Figure 5-30 RKYS Feature Key Installation 
						

							DK424 Installation
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
5-50Strata DK I&M    5/99
ä
To install an RRCS onto RCTUA, RCTUBA/BB, RCTUC/D, or RCTUE/F
ä
Mate RRCS connectors J1, J2, J3, and J4 (See Figure 5-31) with the applicable RCTU PCB. 
Apply firm, even pressure to the RRCS to ensure proper mating of the connectors.
RCTUA connectors are P2, P3, P4, P5. (See Figure 5-32.)
RCTUBA connectors are P3, P4, P5, P6. (See Figure 5-33.)
RCTUC connectors are P3, P4, P5, and P6; RCTUD connectors P5, P6, P7, P8. (See Figures 
5-35, 5-36.)
RCTUE connectors are P6, P7, and P9; RCTUF3 are P8, P9, and P10. (See Figures 5-37, 
5-38.)
NoteThe RRCS connectors on these PCBs are positioned to allow installation of the RRCS 
only in the proper position.
The combined RCTUC/D and RCTUE/F common control unit can support up to 24 DTMF 
receiver circuits. Both the RCTUC or RCTUE and the RCTUD or F PCBs can be equipped with 
the RRCS (4, 8, or 12). 
RRCSs can be installed on both the RCTUC or RCTUE and the RCTUD or RCTUF at the same 
time. If only one RRCS is installed, the RRCS must be on the RCTUC. Always install the RRCS 
on the RCTUC before RCTUD and the RCTUE before RCTUF.
NoteThe RRCS connectors on these PCBs are positioned to allow installation of the RRCS 
only in the proper position.
RSIU Installation
 See “DK424 RCIU1 or RCIU2 Installation” on Page 7-23.
J1
J2J3
J4
1395
Figure 5-31 RRCS Printed Circuit Board