IDM MSAP155-24 SDH Multi-Service Access Platform
IDM MSAP155-24 SDH equipment with 155M optical interface, 19-inch 2U standard chassis, integrated single-board design, standard 2U chassis, MSAP equipment provides 2 pluggable power supply units, STM-1 dual optical ports, dual-fiber single-mode FC interface, 40km optical transmission, 6 service slots, MSAP equipment supports up to 24 E1 access channels
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Overview:
The IDM MSAP155-24 Multi-Service Access Platform is a new generation product based on SDH technology developed by our company in response to market demands. It integrates multi-service access, SDH transmission, and PDH optical access functions into one unit, meeting user requirements for fiber transmission and access of both broadband and narrowband multi-services. The MSAP equipment provides more reliable communication protection. The MSAP equipment can directly interface with remote PDH optical terminals, optical modems, and multi-service optical terminals, adapting to various network topologies.
 
Product Features:
19-inch standard 2U chassis for easy installation, DC -48V and AC 220V dual power supplies with mutual backup;
MSAP equipment supports 2 STM-1 optical access channels, integrating SDH, PDH, PCM, and IP functions;
2 channels of n×64K (n=0-31) V.35/V.11 interfaces;
Provides 4 physically isolated Ethernet ports, supporting N×E1 (N=1~63) bandwidth bundling with arbitrary allocation;
Adopts plug-in card structure design with flexible configuration and strong upgradeability;
MSAP equipment supports point-to-point, chain, and ring networking topologies, and can also be combined with the centralized IDM MSAP-CP for networking;
Provides F (100Base-T) and f (RS232) network management interfaces with comprehensive network management functions;
MSAP equipment provides 6 user slots, compatible with PDH service cards, E1 service cards, and 64K service cards, supporting access of PDH, E1, FXO/FXS, V.24/V.28/V.35, EM, hotline telephone, magneto telephone, X.50, X.58, and 10M/100M Ethernet voice and data services;
Technical Specifications:
Optical Interface
Interface Type | FC (SC and others customizable) | Fiber Mode | Single-mode (Multi-mode optional) |
Tx/Rx Rate | 155Mbps/155Mbps | Tx/Rx Wavelength | 1310nm/1550nm |
Optical Output Power | -12~-6dBm | Receiver Sensitivity | Better than -32dBm |
Transmission Distance | 20Km, optional long-distance optical modules available for extended fiber transmission | ||
E1 Interface
Bit Rate | 2.048Mbps | Line Code | HDB3 |
Standard Protocol | Compliant with ITU-T G.703 | Impedance | 75Ω/120Ω |
Frame Structure | PCM30/31 | Signaling | Channel Associated Signaling |
Ethernet
Interface Type | RJ-45 | Transmission Rate | N×2.048Mbps (N≤63) |
Standard Protocol | Compliant with IEEE802.3 | Operating Mode | Full/Half Duplex/Auto-negotiation |
FXO, FXS Interface
Audio Range | 300Hz~3400Hz | Compression Rate | A-law per ITU G.711 |
Impedance | Triple complex impedance 200Ω+560Ω//0.1μF | Loop Current | 25mA/channel |
EM2/4-Wire Interface
Line Code | G.703 standard | Line Rate | 64Kbps+ppm
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Impedance | Balanced 120Ω | Fully compliant with ITU G.703 recommendations | |
Co-directional 64K
Audio Range | 300Hz~3400Hz | Impedance | Balanced 600Ω |
Compression Rate | A-law per ITU G.711 | Return Loss | ≥18dB |
V.24 Interface
Transmission Rate | Asynchronous ≤9600bps; Synchronous 64Kbps | Electrical Characteristics | Compliant with CCITT V.28 protocol |
V.35 Interface
Interface Type | RJ-45 | Electrical Characteristics | Compliant with ITU-T V.35 recommendations |
Transmission Rate | n×64Kbps (n=0~31) | Terminal Interface | Compliant with ISO2593 |
Power Supply and Consumption
Power Supply | AC220V/DC-48V | Total Power Consumption | ≤50W |
Environmental Conditions
Operating Temperature | -30oC ~+50oC | Relative Humidity | 0~95% (non-condensing) |
Product Dimensions
Length×Depth×Height | 440×230×90(mm) |
Application Diagram:
The IDM MSAP155-24 can form a star network with other SDH devices to aggregate remote services, facilitating monitoring of remote services and addressing the issue of geographically dispersed remote units.
The IDM MSAP155-24 can form a star network with other SDH devices to aggregate remote services, facilitating monitoring of remote services and addressing the issue of geographically dispersed remote units.
Ring Network Application Diagram
The IDM MSAP155-24 can form a ring network, utilizing multiple devices to create a ring topology. The 1+1 channel protection mechanism ensures real-time and accurate transmission of all data and voice services within the ring network.
