Toshiba CTX28 Manual Do Utilizador
Station Apparatus
2000-series Telephones
11-46
Strata CTX I&M 06/04
2000-series Telephones
The 2000-series digital telephones consist of four models:
•
DKT2010-S – 10-Button Digital Speakerphone
•
DKT2020-S – 20-button Digital Speakerphone
•
DKT2010-SD – 10-Button Digital Speakerphone with Liquid Crystal Display
•
DKT2020-SD – 20-Button Digital Speakerphone with LCD
•
DKT2020-FDSP – Same as DKT2020-SD with Full-duplex Speakerphone
2000-series Telephone Option PCBs
Telephone Speaker Off-hook Call Announce Upgrade (DVSU/
BVSU)
BVSU)
To receive Speaker Off-hook Call Announce (OCA) calls over the digital telephone speaker, a
2000-series digital telephone must be upgraded with a DVSU or BVSU; the telephone making the
call does not require a DVSU or BVSU. Digital telephones do not require an additional wire pair
to receive Speaker OCA call.
2000-series digital telephone must be upgraded with a DVSU or BVSU; the telephone making the
call does not require a DVSU or BVSU. Digital telephones do not require an additional wire pair
to receive Speaker OCA call.
BVSU/DVSU Upgrade Installation for DKT2000-series Telephones
1. Loosen the four captive screws on the telephone base and remove it (see
2. Loosen the four captive screws on the metal plate to the standoffs inside the base. Remove and
discard the plate.
Table 11-9
2000 Telephone Subassembly Upgrades
Subassembly
No. per
Phone
Function
BVSU or
DVSU
1
1. Only one of these subassemblies is allowed per telephone: DVSU, BPCI, PDIU-DI or DADM.
1
Off-hook Call Announce (OCA): Provides interface for digital telephone to
receive Speaker OCA. Not required for Handset/Headset OCA.
receive Speaker OCA. Not required for Handset/Headset OCA.
BHEU or
HHEU
1
Headset and loud ringing bell telephone interface: Can be installed with
DVSU or DADM, but not with the Full-duplex Speakerphone External
Microphone (RFDM). (See
DVSU or DADM, but not with the Full-duplex Speakerphone External
Microphone (RFDM). (See
for installation instructions.)
DADM2020
1 or 2
ADM, DSS: Provides telephone with 20 (or 40 with two DADMs) additional
feature buttons for DSS, System or Station speed dial, or CO line appearances.
feature buttons for DSS, System or Station speed dial, or CO line appearances.