Toshiba Strata Dk14, Dk40i, Dk424 Installation And Maintenance Manual

DK40i/DK424 Universal Slot PCBs
PEPU2 External Page Interface Unit
Strata DK I&M    5/997-17
DK40i/DK424 Universal 
Slot PCBsPIOU2, PIOUS2
Option Interface Units
System:DK40i Expansion KSU, DK424
Circuits per PCB:(see interfaces)
Interfaces with:night transfer/music hold control relay
door lock/external amplifier control relay
remote maintenance (IMDU)
TTY port–terminal, modem, SMDI, ACD/MIS (DK424 only)
SMDR output
alarm sensor
zone page interface–four zones (PIOU2 only)
built-in paging amplifier (PIOU2...

DK40i/DK424 Universal Slot PCBs
PEPU2 External Page Interface Unit
7-18Strata DK I&M    5/99
6. Mate IMDU2 connector J1 with PIOU2 or PIOUS2 connector P1 and IMDU2 J2 with P2 and 
P3 (see Figure 7-7).
NotePIOU2 or PIOUS2 connectors P1, P2, and P3 are positioned to allow installation of the 
IMDU2 only in the proper position.
7. Refer to the Strata DK Programming Manual and turn LED 14 on in Program 77-1 to enable 
IMDU2 operation.
NoteThe IMDU2 default station intercom or [DN] is #19.
8. Apply firm, even...

DK40i/DK424 Universal Slot PCBs
PEPU2 External Page Interface Unit
Strata DK I&M    5/997-19
DK40i/DK424 Universal 
Slot PCBs
3692
P1P2 P3
J3
PIOU2A
PIOU2
Backplane
Connector
600/600
P11P10
P12
P13
SW1 SW3
SW4
SP1
SP0 MODEM
MBMB CCITT BELLN.C N.O
TTY
TTY SMDRSW2 300
1200
ON
OFF300
1200
P15Mu A
Figure 7-8 PIOU2 PCB
3719
PIOUS2
IMDU2
P11P10
P12
P1P2 P3
P13
Backplane 
Connector
600/600
PIOUS2
SW1 SW3MODEMMBMB CCITT BELLN.C N.O
TTY
300
1200
ON
OFF300
1200
SPT SW2
CD4SPR DET DER NHT NHR ALMT ALMR
P15Mu A...

DK40i/DK424 Universal Slot PCBs
PEPU2 External Page Interface Unit
7-20Strata DK I&M    5/99
Table 7-6 PIOU2 Controls, Indicators, and Connectors
Control/Indicator/ConnectorType of ComponentDescription
SMDR/TTY interface connector J3 Dual modular connectorInterface connector for SMDR printer/call 
accounting device and maintenance terminal/
modem.
IMDU2 connector P1 10-pin connector
Interface connector for remote maintenance 
modem piggy-back module. IMDU2 connector P2 9-pin connector
IMDU2 connector P3...

DK40i/DK424 Universal Slot PCBs
PEPU2 External Page Interface Unit
Strata DK I&M    5/997-21
DK40i/DK424 Universal 
Slot PCBs
Table 7-7 PIOUS2 Controls, Indicators, and Connectors
Control/Indicator/ConnectorType of ComponentDescription
SMDR/TTY interface connector J3Dual modular connector 
(top modular is TTY, 
bottom is SMDR)Interface connector for SMDR printer/call 
accounting device and maintenance terminal/
modem.**
IMDU2 connector P1 10-pin connector
Interface connector for remote maintenance 
modem...

DK40i/DK424 Universal Slot PCBs
PEPU2 External Page Interface Unit
7-22Strata DK I&M    5/99
RATU
Attendant Console Interface Unit
System:DK424
Circuits per PCB:four attendant console circuits
Interfaces with:up to four conventional and/or PC attendant consoles
Older Version(s):none
RATU controls and indicators are illustrated in Figure 7-10 and described in Table 7-8.
RATU Installation
1. Insert the RATU (component side facing right) into the slot following the last station PCB. 
Apply firm, even...

DK40i/DK424 Universal Slot PCBs
PEPU2 External Page Interface Unit
Strata DK I&M    5/997-23
DK40i/DK424 Universal 
Slot PCBsRCIU1, RCIU2, RCIS
Caller ID Interface
System:RCIU1–DK424
RCIU2 –DK40i Expansion KSU, DK424
RCIS–DK424
Circuits per PCB:four Caller ID circuits
Interfaces with:loop or ground start lines w/Caller ID (requires RCOU or RGLU2)
Older Version(s):none
The RCIU1, RCIU2 PCB provides the Caller ID feature, also known as Calling Number Delivery 
(CND). There are two types of RCIU PCBs, RCIU1...

DK40i/DK424 Universal Slot PCBs
PEPU2 External Page Interface Unit
7-24Strata DK I&M    5/99
DK424 RCIU1/RCIS or RCIU2/RCIS Installation
1. Install the RCIS onto the RCIU1 or RCIU2 as required (see Figures 7-11 and 7-13).
2. Install the RCIU1/RCIS or RCIU2/RCIS into the appropriate cabinet slot. The circuit modular 
jack numbering and the tip/ring cross connect wiring of RCIU1/RCIS or RCIU2/RCIS to 
RCOU, PCOU, or RGLU is shown in Figure 8-25 on Page 8-26.
NoteIt is not necessary to install the RCIU1,...

DK40i/DK424 Universal Slot PCBs
PEPU2 External Page Interface Unit
Strata DK I&M    5/997-25
DK40i/DK424 Universal 
Slot PCBs
Figure 7-12 DK40i RCIU2 PCB Installation
RCIU1A V.1
RCIU1
J2
J1
P11 P12 P13
20K/20K
20K/20K
20K/20K
20K/20K
RCIS1A
(reverse)RCIU1A or RCIU2A
(front) Secondary
Protectors
J10 J11 J12
J4
J3J13
P10
1392
Figure 7-11  DK424 RCIU1/RCIS or DK40i RCIU2/RCIS PCB Installation
RCIU2A V.1
RCIU2
J2
J1
P11 P12 P13
20K/20K
20K/20K
20K/20K
20K/20KRCIU2A
(front) Secondary
Protectors
P10
1862 

DK40i/DK424 Universal Slot PCBs
PEPU2 External Page Interface Unit
7-26Strata DK I&M    5/99
Figure 7-13 DK424 RCIU1/RCIS or RCIU2/RCIS PCB Modular Jack Positions
NoteA station must also be allocated with Caller ID/ANI storage memory in Program *51 to 
store abandoned call telephone numbers.
Program 39, Code 462: Assigns the Caller ID/ANI 
/RVW&DOO$XWRLDO button to LCD 
telephones that store Caller ID and/or ANI abandoned call telephone numbers. A user can scroll 
through the stored abandoned call...