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Centralized integrated service access platform
M30T/M32T_ZMUX-3300 Voice interface card


Voice interface card

    The M30T/M32T voice interface card can be used to insert any common service board slot of the ZMUX-3300 platform, which over E1 or fiber transmit to realize telephone service access.

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Product description

The M30T card transmission link is an E1 electrical port, and the M32T board transmission link is a fiber interface.

The M30T/M32T card are modular design and offer 30 voice module slots to fit the voice module exactly as required.

The M30T/M32T card has one DB62 interface to complete 1~30 telephone signal access. One M30T/M32T card can complete a remote 1~ 30 voice signal access, corresponding to a remote network communication. Multiple M30T card can also be aggregated into one optical signal to complete large-capacity voice signal transmission through optical fibers. Each M30T/M32T board is independent of each other, and the faults do not affect each other.

Technical parameter index

Interface type: E1 electrical port (M30T card link interface)

Number of interfaces: 1channel

Bit rate: 2.048 Mbps ± 50ppm

Interface impedance: 1) 75 ohms / unbalanced

                                      2)120 ohms / balanced

Line code: HDB3

Standard: ITU-T Rec. G.703, G704, G.712

Connector: CC4 coaxial connector (75 ohm / unbalanced); optional RJ45 connector (120 ohm / balance)

Interface type: optical interface (M32T card link interface)

Number of interfaces: 1

Bit rate: 16.384Mb/s ± 50ppm

Pattern: NRZ + scrambling code

Luminous power: >-5dB (long distance) or >-12dB (short distance)

Receive sensitivity: >-36dB

Connector: double fiber / FC / single mode / 40Km (standard); optional single fiber / SC / transmission distance 60Km ~ 100Km

Interface type: optional FXO/FXS, magnet phone, hotline

Number of interfaces: 30

Connector: DB62

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