Media5 Mediatrix 3308, Руководство по установке оборудования

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Analog Line Interface (FXS) Hardware Installation Guide
Mediatrix 3300 – Analog Gateway 41
Analog Line Interface (FXS)
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RJ-11 connectors
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Direct connection to a fax machine or telephone (Internal installation and internal cabling)
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DC feeding of the access line protected for over voltage
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Loop current detection and hook flash detection capable
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Generation of Selective Ring
PSTN Interface (FXO)
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Programmable line interface
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Programmable loss plan
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Built-in transient/surge protection
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RJ-11 connectors
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Detection of Selective Ring
Audio Specifications
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Software-adjustable dynamic and static jitter buffer protection.
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Programmable by country: Call progress tone generation including dial tone, busy tone,
ringback and error tones.
Table 21: Analog Line Interface
Parameter Description
Trunk Type Loop Start
Ring Source 45 VRMS max @ 20 up to 50 Hz (selectable) sine signal
Nominal Impedance BellCore compliant 600/900 ohms default setting.
Ring Drive Capacity Up to 4 ringer equivalents (4 RENs) per port.
Loop Current Range 15 to 32 ma factory set. Default 20 ma regulated.
Ring Trip Detection Time 2 ring cycles max
On Hook Voltage -48 VDC
Frequency Response 200 Hz to 3400 Hz ±3 dB (Tx/Rx)
Return Loss 600-3400 Hz: 30 dB
Table 22: FXO Interface
Parameter Description
Trunk Type Loop Start/
Ring Detection 22 VRMS min, 15 Hz to 68 Hz (configurable by parameter)
Nominal Impedance AC and DC impedance software configurable to support most countries
worldwide.
Ringer Equivalence 0.1 REN