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IDM MSTP155-24 is a newly-developed optical fiber transmission equipment by RDT company based on SDH technology. It manages to satisfy not only users’ needs for broadband, narrowband and other fiber optical transmission/access services, but also users’ needs for larger capacity and more reliable communication protection. It also provides succinct and faultless network management function which would carry out equipment configurating, fault-finding, data collecting and real-time monitoring on network performance. This item also features all of its components of industrial grade, comprehensive EMC and interface protection design.
1. Features of 24E1 SDH Multiplexer
Standard 19-inch 1U chassis structure, easy to install.
Two STM-1 optical interfaces with 1+1 channel protection.(Either one fails, the other will back it up)
Two V.35/V.11 [N × 64K (N = 0 ~ 31)] channels.
Integration of SDH, PCM, PDH and Ethernet.
Provide up to 4 Ethernet networks with physical isolation.
Provide 3 slots which can be inserted with 3 service disks, 8E1 interface optional, 8E1+100M PDH, network bridge interface, 8 telephone interfaces and 8 RS232/RS485/RS422 interfaces.
Support networking mode: point to point, chain type, tree type, star type, ring type etc
In compliance with the ITU-T G.813 standards.
Faultless network management feature, online real-time monitoring.
2. Specifications of 24E1 SDH Multiplexer
2.1 Optical interface
Rate |
155Mbps±4.6ppm |
|
Single/multi-mode |
Consumption |
-15 ~ -8dBm |
Wavelength |
1310nm/1550nm |
Physical connector |
FC/SC |
Sensitivity |
Better than -32dBm |
Transmitting range |
40km or further(with optical module) |
2.2 E1 interface
Rate |
2048Kbps |
Code |
HDB3 |
Comply with |
ITU-T G.703 standard |
Impedance |
75Ω/120Ω |
Frame structure |
PCM30/31 |
signaling |
Inbound Signaling |
Channels |
Up to 24 |
2.3 Ethernet interface
Rate |
N × 2.048Mbps(N≤50) |
Duplex |
Full/Half auto-negotiation |
Physical connector |
RJ-45 |
Comply with |
IEEE802.3 |
2.4 FXO/FXS interface
Impedance |
200Ω + 560Ω//0.1μF |
Audio frequency range |
300Hz ~ 3400Hz |
Compression ratio |
Class A in ITU G.711 |
Loop current |
25mA |
2.5 EM2/4 interface
Audio frequency range |
300Hz ~ 3400Hz |
Compression ratio |
Class A in ITU G.711 |
Echo loss |
>18dB |
Impedance |
600Ω balanced |
2.6 V.24 interface
Rate |
asynchronous <=9600bps and asynchronous 64kbps |
Comply with |
CCITT V.28 |
2.7 V.35 interface
Rate |
N × 64KbpsN=0 ~ 31 |
Comply with |
ISO2593 |
Physical connector |
RJ-45 |
Comply with |
ITU-T V.35 |
2.8 Power Supply
220VAC/- 48VDC
Consumption: ≤50W
2.9 Operating environment
Temperature |
-30℃~ 50℃ |
Humidity |
0 ~ 95% (non-coagulation) |
2.10 Dimensions
Width × Depth × Height (mm): 440 × 230 × 45