Toshiba Strata Dk14, Dk40i, Dk424 Installation And Maintenance Manual

Station Apparatus
Telephone Upgrades
Strata DK I&M    5/999-9
Station Apparatus
Figure 9-5 RPCI-DI or PDIU-DI2 Installation into 2000-series Digital Telephone
Figure 9-6 PDIU-DI Installation into 1000-series Digital Telephone
To P2 of
Bottom PCB Digital
Telephone
Top Assembly
RPCI-DI or
PDIU-DI2 2000 Digital
Telephone Base
To P1 of
Bottom PCB
RS-232 (Female)
DB-25 Connector
Red
WireDIU & VSU
DIU & ADM
Perception
Strap (only cut
if installed on
Perception)
Before
After
RPCI-DI V.2s have stand offs that...

Station Apparatus
Telephone Upgrades
9-10Strata DK I&M    5/99
Telephone Speaker Off-hook Call Announce Upgrade (DVSU)
To receive Speaker Off-hook Call Announce (OCA) calls over the digital telephone speaker, a 
digital telephone must be upgraded with a DVSU; the telephone making the call does not require a 
DVSU. In a DK system with release 3 and above software, a DVSU is not required to receive OCA 
in the telephone handset or headset. An additional wire pair is not required for digital telephones...

Station Apparatus
Telephone Upgrades
Strata DK I&M    5/999-11
Station Apparatus
Figure 9-8 DKT2010-H Strap and Connector 
LocationsFigure 9-9 DKT2010-SD, DKT2020-S, and 
DKT2020-SD Strap and Connector 
Locations
DIU&ADM DIU&DVSU DVSU
P1 P2 P6
Carbon
EX.SP
HHEUW203
W201
W202
W204W204BEEP
HS-BOV
EX.POW
W101
W102
W409RED RED RED
1484
DIU&ADM DIU&DVSU HHEU
DVSUP1 P2 P3 P6
Carbon
EX.SP
HHEU
W203
W201
W202
W204
BEEP
EX.POW
EX.POW
W101
W102
RED RED RED RED
1485
1020SD Room
Noise Switch
DVSUDVSU
HHEU
Ex. SP...

Station Apparatus
Telephone Upgrades
9-12Strata DK I&M    5/99
Loud Ringing Bell/Headset Upgrade (HHEU)
The Loud Ringing Bell/Headset upgrade (HHEU) enables an external speaker (HESB) for the 
Loud Ringing Bell feature and/or a headset to be connected to both series of digital telephones.
Notes
lThere are two types of HHEUs: the HHEU1 (which has four versions, V.1~V.4) and the 
HHEU2.
lBoth 2000- and 1000-series digital telephones require either an HHEU2 or a V.3 or V.4 
HHEU1 for HESB operation; earlier...

Station Apparatus
Telephone Upgrades
Strata DK I&M    5/999-13
Station Apparatus
4. Connect the HESC-65A cable to P601 
of the HHEU (both HHEU1A versions 
and the HHEU2 have P601) if the Loud 
Ringing Bell option is required.
Refer to Chapter 10– Peripheral 
Installation for HESB installation 
procedures.
5. For the V.3 HHEU1: If only the headset 
is connected to the HHEU, cut both 
sides of the R607 resistor, then remove 
the resistor to eliminate electrical 
contact.
NoteDo not cut the R607 resistor if...

Station Apparatus
Telephone Upgrades
9-14Strata DK I&M    5/99
ä
To adjust the volume of the HESB Loud Ringing Bell
1. Call the telephone connected to the HESB.
2. Adjust the volume control on the back of the HESB and the ring volume control on the 
telephone.
Carbon Headset/Handset Straps
If a carbon-type handset or headset is connected to the handset jack on the side of the telephone, 
two jumper straps inside the telephone must be cut.
ä
To cut the straps
NoteYou do not need to cut these straps if the...

Station Apparatus
Telephone Upgrades
Strata DK I&M    5/999-15
Station Apparatus
ä
To make the 2000-series digital telephone models less sensitive to loud surrounding noise
äHold down 
0LF button, then press the 9RO s button. The less-sensitive level will be set after 
the third flash of the Mic LED.
ä
To reset the sensitivity back to the normal level
äHold down the 
0LF button, then press the 9RO t button. The normal level will be set after the 
third flash of the Mic LED.
NoteOn 2000-series digital...

Station Apparatus
Electronic Telephone Upgrades
9-16Strata DK I&M    5/99
3. Reinstall the telephone base, and secure it with its four captive screws. 
NoteRefer to Chapter 8 – DK40i/DK424 Universal Slot PCB Wiring for external AC/DC 
power supply ordering information and installation instructions.
DKT2000 ADM Installation
See “Digital Add-on Module Installation” on Page 9-29.
Electronic Telephone Upgrades
This section describes how to upgrade and configure electronic telephones for features and...

Station Apparatus
Electronic Telephone Upgrades
Strata DK I&M    5/999-17
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HVSU/HVSI Upgrade Installation
See Figures 9-2 and 9-13~9-14 and follow these 
steps:
1. Loosen the four captive screws on the 
telephone base and remove the base.
2. Align the P5 connector on the HVSI 
subassembly with the receptacle on the 
HVSU subassembly. 
Apply firm, even pressure to the PCBs 
to ensure that the connectors mate 
properly (they should click).
NoteExercise care when assembling the 
HVSU to the...

Station Apparatus
Electronic Telephone Upgrades
9-18Strata DK I&M    5/99
HHEU Upgrade Installation
See Figures 9-2, 9-12, 9-13 and 9-15 and follow 
these steps:
1. Loosen the four captive screws on the 
telephone base and remove the base.
2. Using a screwdriver or other suitable 
tool, remove the plastic tab on the back 
of the base. The HHEU modular 
connector for the headset will be 
accessed through this opening.
3. If using a V.3 or earlier HHEU1, set the 
SW601 switch to the HEADSET 
position for...