First, the product description
MSTP-P5/16M products as the Beijing Science and Technology Development Co., Ltd. good use of self-developed light of ASIC development and production of integrated business equipment. The device will be a standard optical interface part of the traditional TDM business and 10/100BaseTx 2M Ethernet data services integration, and into a high-speed optical signals for transmission over fiber, and support non-destructive dual optical 1 +1 protection, with a minimum the cost of high-speed data services to meet users and traditional TDM integrated access services needs; PCM part of the business mainly through a variety of interface boards, the voice, data, images and signals together in a standard business channel 2M, the points point of transmission.
Second, product characteristics
1. Using large scale integrated chips, circuit is simple, stable and reliable;
2. Dual optical interface can be destructive for business in 1 +1 protection;
3. 4/8/16 Road to provide standard E1 interface and optional impedance is 75Ω (BNC) / 120Ω (RJ45);
4. Or 4 to provide a fixed 10/100Base-Tx adaptive Ethernet data interface, the bandwidth can be adjusted in units of 0.5M, the maximum bandwidth Ethernet service transmission 100M;
5. Provide a way of fixed public telephone interface;
6. Up to 16 channels or 30 slots;
7. Provides RS232 interface;
8. Provide audio (b / d line of optional E & M);
9. Provides session interfaces (FXO / FXS support caller ID);
10. Provides telephone hotline;
11. Telephone interface to provide a magnet;
12. Provide synchronous V.24 interface;
13. Ethernet interface;
14. Provide V35 interface;
15. Have a sound alarm and status indication function;
16. Environment to adapt to a variety of power supply (DC-48V, AC220V, and AC & DC electric double).
Third, product details
Model optical port E1 port Ethernet port RS232 official business management slot dual optical channel structure physical map
MSTP-P5M4 1 4 16 No 4 No Yes No Rack Click to view
MSTP-P4M 1 4 30 1 1 has support for optional rack Click to view
MSTP-P4M4 1 4 30 4 1 has support for optional rack Click to view
MSTP-P8M 1 8 30 1 1 has support for optional rack Click to view
MSTP-P8M4 1 8 30 4 1 has support for optional rack Click to view
MSTP-P16M 1 15 30 1 1 has support for optional rack Click to view
MSTP-P16M4 1 15 30 4 1 has support for optional rack Click to view
Fourth, product applications
Fifth, technical parameters
→ E1 Interface Specifications
Nominal rate: 2048Kbps, tolerance ± 50ppm;
Interface code type: HDB3;
Interface Impedance: 75 ohms and 120 ohms adaptive;
Digital Interface Electrical Characteristics: Conforms to ITU-TG.703 proposals meet the sample pulse;
Jitter transfer characteristic: comply with ITU-TG.823 recommendations;
Input Jitter Tolerance: Conforms to ITU-TG.823 recommendations;
Output jitter: According to ITU-TG.823 recommendations;
Level: ± 2.37V ± 10% or ± 3.00V ± 10%;
Interface connectors: BNC coaxial or RJ45.
→ V.35 Interface Electrical Characteristics:
Interface Rate: n × 64K;
No flow control, transparent transmission;
Connector: DB25 socket;
Work: DCE, DTE is optional.
→ b / four-wire audio interface (b / four-wire E & M interface)
Impedance: 200Ω +680 Ω | | 0.1μF
AD gain of four lines: 14dB (adjustable)
DA gain of four lines: -2 dB (adjustable)
Four-frequency characteristics of AD: -0.2 - +0.2 dB
Four-frequency characteristics of DA: -0.2 - +0.2 dB
Frequency characteristics of second-line AD: -0.2 - +0.2 dB
Frequency characteristics of second-line DA: -0.2 - +0.2 dB (adjustable)
Return loss: 40dB
Balance: 70dB
CMRR: 70dB
Power supply rejection ratio: 30dB
Idle Channel Noise: ≥ 65dB
Loop resistance: 600Ω
→ V.24 (RS232) Interface
Interface Type: V.24 asynchronous
Transfer rate: 0 - 19.2Kbps
Optical interface features →
Transmit optical power:-6dBm ~-10dBm
Receiver sensitivity:-33dBm ~ - 40dBm
Fiber interface: SC-type dual / dual FC-type / single SC type optional
→ Users and loop interfaces
Impedance: 600Ω
Insertion loss: -3 ± 0.75dB
Frequency: 300 ~ 3400Hz (-0.6 ~ +3 dB)
Scale Noise: ≤ 63.7dBmop
Crosstalk attenuation: ≥ 65dB
Loop resistance: ≤ 1800Ω
→ Ethernet Port Interface
Agreement: link layer bridge
Interface Type: 10/100MBase-T
Interface rate: 10/100Mbps
Transfer rate: Nx64Kb / s (N = 1 ~ 31)
Connector: RJ45
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