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2
1.2 Available Capacity
1.2.1 Capacity of ISDK-26 Basic KSU
CO Line
2
4
6
10
*
Digital Key Telephone
16
16
16
16
Analog Phone
24
18
16
8
Available Capacity
2/16+8x3
4/16+2+8x2
6/16+8x2
10/16+8
1. Basic Capacity: 2 CO Lines/16 Station Lines (2B+2D).
2. Each CPU including 2 CO lines and 8 Station lines that may connect with 16 pcs of
digital key phones.
3. Optional interface for expandable capacity: Trunk card: TRK-2 (F9953), TRK-4 (F9803),
Single line (Analog) station card: SLT-2 (F0038), SLT-4 (F9808) and SLT-8 (F9808);
VoIP card (F0859); Voice Mail card (F0854) and Doorphone card(F9910).
4. Above "
*
" capacity of system cannot install the F9910 doorphone card.
5. Max. expanding:
3
layer/stacks of expanding card (Total
24
ports).
1.2.2 Capacity of ISDK-26 Plus KSU
CO Line
2
4
6
Digital Key Telephone
16
16
16
Analog Phone
24
18
16
Available Capacity
2/16+8x2+4x1
4/16+2+8x2
6/16+8x2
1. Basic Capacity: 2 CO Lines/16 Station Lines (2B+2D).
2. Each CPU including 2 CO lines and 8 Station lines that may installed with 16 pcs of
digital key phones.
3. Optional interface for expandable capacity: Trunk card: TRK-2 (F9953), TRK-4
(F9803), Single line (Analog) station card: SLT-2 (F0038), SLT-4 (F9808) and SLT-8
(F9808); VoIP card (F0859); Voice Mail card (F0854) and Doorphone card(F9910).
4. Max. expanding:
3
stacks of expanding card (Total
20
ports).