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1.4 Options
22 System Outline
1.4 Options
1.4.1 Options
Model No. Model Name Description
Max.
Quantity
on
KX-
TD816
Max. Quantity on
KX-TD1232
Single
System
System
Connection
KX-TD170 8-Station Line Unit Adds 8 extension lines. 1 2 4
KX-TD174 16 SLT Line Circuit
Unit
Adds 16 extension lines
which contain single
line telephones.
12 4
KX-TD180 4-CO Line Unit Adds 4 outside lines. 1 1 2
KX-TD184 E&M (TIE) Line
Unit
Adds 4 ports for E&M
Line Service.
11 2
KX-TD280 2-ISDN S0 Line Unit Adds 2 ISDN S0 lines. 1 1 2
KX-TD286 6-ISDN S0 Line Unit Adds 6 ISDN S0 lines. 1 1 2
KX-TD290 Primary Rate
Interface ISDN
Expansion Unit
Adds 1 PRI ISDN line. — 1 1
KX-TD144 Cell Station Interface
Unit
Supports up to two Cell
Stations (KX-TD142).
12 2
KX-TD146 Cell Station Interface
Unit
Supports up to six Cell
Stations (KX-TD142).
12 2
KX-TD142 Cell Station Determines the range of
the supporting DECT
Portable Station (KX-
TD7500). Up to four
calls can be made at the
same time in one range.
(6 per Cell
Station
Interface
Unit)
(6 per Cell
Station
Interface
Unit)
(6 per Cell
Station
Interface
Unit)
KX-TD189 Pay Tone Card Supports the Pay Tone
service of the central
office.
2* 3* 6*
KX-TD190 DISA Unit Supports the Direct
Inward System Access
(DISA) feature and
records outgoing
messages.
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