Cisco uBR925 빠른 시작 사용 설명서 - 페이지 4

{카테고리_이름} Cisco uBR925에 대한 빠른 시작 사용 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. Cisco uBR925 36 페이지. Cable access router

• Cable TV (CATV) outlet and coaxial cable

• Coaxial cable splitter (not included; required only if using the same coaxial cable for both the TV

and the Cisco uBR925 Cable Access Router)

• (Optional) If connecting analog telephone, modem, or fax devices:

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Ensure that all telephone, modem, or fax devices are analog devices that use a tone dial set.

Single-line or dual-line devices, as appropriate:

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You can connect two single-line telephone, modem, or fax devices to each of the voice ports

on the Cisco uBR925 Cable Access Router using two-wire or four-wire RJ-11 connectors.

You can connect one dual-line (four-wire) telephone, modem, or fax device to the first voice

port on the Cisco uBR925 Cable Access Router using a four-wire RJ-11 connector. When

using a dual-line device on the first voice port, you can plug a single-line device into the second

voice port as an extension to the second line.

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If using extensions for telephone, modem, and fax devices, you will need the appropriate

telephone cables (four-wire cable with RJ-11 connectors, not included) and other equipment

required for connecting the devices to the Cisco uBR925 Cable Access Router.

If connecting multiple telephones, modems, or fax devices to a telephone line, be sure that the

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sum of the Ringer Equivalence Number (REN) of all devices on any one voice port does not

exceed five. The REN value is a measure of the AC load that the device places on a voice line

and is typically listed on each device. If too many devices are connected on the same line, the

telephones might not ring properly, and you might have difficulty completing telephone calls.