
1.1Capacity
1.1Capacity
1.1.1 Capacity
You can connect the following number of extensions and outside lines to your system.
| Basic | Module | Maximum |
| System | Expansion | Capacity |
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CO line | 4 | 2 | 6 |
(ISDN (BRI) line) | (2) | (1) | (3)* |
Extension line | 12 | — | 12 |
*ISDN (BRI) port 2 and ISDN (BRI) port 3 can be selected to be used for a CO line or ISDN extension line (Default : port 2 — CO line/port 3 — Extension). The maximum capacity of the system depends on the line selection. See below.
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| ISDN | Extension |
| Line Selection | CO Line | Extension | |
| Line | |||
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| Line | |
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3 | ISDN (BRI) ports are selected for CO line | 6 | 0 | 12 |
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2 | ISDN (BRI) ports are selected for CO line | 4 | 8 | 12 |
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1 | ISDN (BRI) port is selected for CO line | 2 | 16 | 12 |
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12 | Overview |