
Planning Connectivity
To Choose the Hardware
To Choose the Hardware
Introduction Before you choose your data communication hardware, consider
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| ■ Whether or not you want to make connections through the | |||||
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| public network |
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| ■ | Distance requirements |
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| ■ | Cost factors |
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Type of |
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The following table lists the types of data communications | ||||||
hardware | hardware that you need for connecting to a network. It also lists | |||||
| distance and equipment requirements. |
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| Distance | Hardware |
| Network | Hardware |
| from PBX | requirements | |
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| Public | Any |
| unlimited | Modem pooling on | |
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| supported |
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| the DEFINITY G3 |
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| modem |
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| PBX |
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| Private | 7400B data |
| Within | A port on a digital | |
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| module |
| 5000 feet | board (TN754 in the |
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| ADU |
| Within | A port on a dataline |
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| 2000 feet | board (TN726E in |
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| (An ADU is less |
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| expensive than the |
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| 7400 B data |
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| module.) |
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