Model 2977 DialFire RAS User Manual | 2 • Preparation | ||||
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| Before You Install the | Order the ISDN Line |
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| DialFire RAS B4ST | If you do not have an ISDN line installed, you need to contact your telephone | |||
| Adapter… | ||||
| company and order a Basic Rate ISDN line (2B+D) with the following recom- | ||||
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| mended configuration: |
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| Note If your telephone company supports either of the following | ||
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| ISDN Ordering Codes, request that your ISDN line be | ||
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| configured to one of them. |
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| • | Capability S |
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| If your telephone company does not support either of these Ordering Codes, | |||
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| request the following ISDN line configuration: |
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| • Switch Type: National ISDN 1 (preferred), ETSI, AT&T 5ESS, or Nortel DMS 100 | |||
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| • ISDN Basic Rate Interface (BRI) service (2B+D) |
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| • 2 B channels, D channel for signaling only (no D channel packet data) | |||
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| • Circuit Switched data and voice (CSD/CSV) on each channel |
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| • | Dynamic TEI |
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| • | Multipoint bus configuration |
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| • Terminal type A (AT&T Custom switch only) |
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| • No EKTS or special services or features |
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*You must select a long distance carrier and forward your choice, along with the Ordering Code or line configuration, to your telephone company
Note After completing the worksheet, go to chapter 3, “Installing the Model 2977 adapter” on page 26
DialFire ISDN T1 (PRI), | 25 |