
PCB Installation
4-3
Strata CTX I&M September 2002
ADKU – Digital Telephone Interface Unit
Circuits per PCB:
eight digital telephone circuits
Interfaces with:
all Toshiba digital telephones (DDCB, DSS, ADM, BPCI)
Older Version(s):
none
ADKU Hardware Options
The ADKU digital telephone interface unit only works with the CTX100. Refer to
for instructions on how to connect digital telephones, DDCBs, and DDSS consoles to the
ADKU, as well as how to upgrade digital telephones with these options: a PC Interface Unit (BPCI), a
Speaker Off-hook Call Announce upgrade (BVSU), and a Headset/External Speaker (BHEU).
ADKU Installation
➤
Insert the ADKU (component side facing right) into the appropriate slot, and apply firm, even
pressure to ensure proper mating of connectors.
ASTU – Standard Telephone Interface Unit
Circuits per PCB:
two single line telephone circuits
Interfaces with:
Standard two-wire devices
Older Version(s):
none
ASTU Installation
Cabinet Slot
CTX100 has flexible 8 slots (Base:S101-S104 and Expansion:S105-S108). ASTU is configured with
reserved (fixed) slot of S109.
Table 4-1
ASTU PCB
Table 4-2
ASTU Electrical Characteristics
Standard Telephone Interface Unit (ASTU1)
Provides two standard telephone circuits.
Interface with:
Standard telephones (No message
waiting)
Other single-line devices
Alternate BGM source
Fax machine
Voice mail devices
ASTU
Ring Voltage
Square wave 190 250V peak-to-peak
(no-load)
Ringing Capacity
2 REN maximum per circuit
Содержание Strara CTX Series
Страница 10: ...Contents viii Strata CTX I M September 2002 ...
Страница 14: ...Introduction xii Strata CTX I M September 2002 ...
Страница 52: ...Strata CTX Configuration 1 38 Strata CTX I M September 2002 ...
Страница 176: ...ISDN Interfaces 5 28 Strata CTX I M September 2002 ...
Страница 278: ...Peripheral Installation 8 32 Strata CTX I M September 2002 ...
Страница 290: ...Index IN 6 Strata CTX I M September 2002 ...