• Adopt large-scale chip, simple circuit, low power consumption and high reliability;
• Provide 1 route of N×64K V.35 interface (N = 1-32) and conversion of FE1/E1;
• Provide 1 E1 digital port, impedance: 75Ω/120Ω;
• Provide a management interface for centralized monitoring. It can also manage and control remote offices and support system upgrading if framed;
• Provide one port of V.35 interface (N*64K, support all the V.35 clock mode);
• Provide the Test and Control switch group;
• BERT Test inside;
• SPC-CONV and SPC-CONC are the advanced PCM equipments;
• SPC-CONVKSPC-CONVSPC-CONC can be applied with SPC-30 series;
• Applicable in a variety of power supply environments;
• Small, light, low power consumption, stable and easy for installation

• Nominal rate: 2048Kbps, tolerance±50ppm;
• Interface code format: HDB3;
• nterface resistance: optional between 75Ω(imbalanced) or 120Ω(balanced);
• Electrical features of digital interface: conforms to ITUTG.703 recommendation
• Jitter transfer characteristics: conforms to ITUTG.823 recommendation;
•  Input jitter tolerance: conforms to ITUTG.823 recommendation;
•  Output jitter: conforms to ITUTG.823 recommendation;
•  Level:  ±2.37V±10% or ±3.00V±10%

Specification of 10/100Base-Tx Interface

•  Interface: 10/100Base-Tx;
•  Interface specification: conform to IEEE-802.3u;
•  Interface rate: 10/100M self-adaptive;
•  Interface connector: RJ-45

Features of Management Interface and Extended Serial Interface.

•  Interface type: RS-232;
•  Interface level: RS-232 level;
•  Interface connector: RJ-45;
•  Baud rate of management interface: 57600bit/s;
•  Maximum baud rate of extended serial interface: 19200bit/s.

Electrical feature of V.35 interface:

•  Interface rate: n×64K;
•  No traffic control, transparent transmission; 
•  Interface connector: DB25 socket;
•  Operation mode: optional between DCE and DTE

Power supply Conditions

• DC supply voltage: +24VDC, tolerance range: +24V±15%, ripple of power supply: ≤120mVp-p;
•  DC supply voltage: -24VDC, tolerance range: -24V±15%, ripple of power supply:  ≤120mVp-p;
•  DC supply voltage:  ±24VDC, tolerance range: +24V±15%, -24V±15%, ripple of power supply: ≤120mVp-p;
•  DC supply voltage: -48VDC, tolerance range: -36V~-72V, ripple of power supply: ≤   240mVp-p;
•  AC supply voltage: 220VAC±20%, 50HZ; tolerance range:90~-264V
•  Power consumption: ≤ 10W.

Operation Conditions

•   Ambient temperature: 0~45;
•   Relative humidity: ≤90% (at 35);
•   Atmospheric pressure: 86~106Kpa.

Dimensions

        200×145×35 mm

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