Introduction to the ISDN Interface |
CSU Equipment
The installer must provide a Channel Service Unit (CSU) plus CSU cabling.
The CSU equipment must meet the specifications contained in Table
Table
Item | Specifications | Vendors | |
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CSU | The Channel Service Unit (CSU) must | The following CSUs have been used suc- | |
| comply with FCC Part 15 and Part 68. The | cessfully with the DBS ISDN. | |
| CSU is installed between the DBS and the | Kentrox | |
| public network. The CSU provides alarm, | ||
| Kentrox | ||
| diagnostic, and monitoring functions, as | ||
| or | ||
| well as network protection. | ||
|
| Kentrox | |
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| (Kentrox can be contacted at | |
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| 5511.) | |
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| |
CSU | Each CSU requires a network cable and an equip- | For Kentrox CSUs | |
Cabling | ment cable. The network cable connects from the | Kentrox offers prefabricated cables for their CSUs. | |
CSU to the network interface. The equipment cable | |||
| For the network cable, order part number 01- | ||
| connects from the CSU to the DBS ISDN MDF | ||
| 93010151. For the equipment cable, order part | ||
| card. | ||
| number | ||
| For Kentrox CSUs | ||
| If you fabricate your own cables, use 24 AWG | ||
| The network cable requires a female | stranded cable that includes shielding for each pair. | |
| Belden (Richmond, IN) offers stranded cable that | ||
| nector and an RJ48C connector. The equipment | ||
| cable requires a male | complies with these specifications. Order part | |
| RJ48C connector. | number 8723. | |
| To simplify installation, you can order the prefabri- |
| |
| cated cables shown in the “Vendors” column. |
| |
| If you fabricate your own ISDN cables, you should |
| |
| use 24 AWG stranded cable that includes shielding |
| |
| for each pair. For best results, use the cable listed |
| |
| under “Vendors.” |
| |
| For Premier CSUs |
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| You must fabricate your own cables for the Premier |
| |
| CSU. The network cable requires two RJ48C con- |
| |
| nectors. The equipment cable connects to an RJ48C |
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| connector on the ISDN MDF card and to four |
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| For both cables, use 24 AWG stranded cable that |
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| includes shielding for each pair. For best results, |
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| use the cable listed under “Vendors.” |
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Revised April 2000 |