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Telecommunications > Radiorelay technologies > Solution based on radiorelay technology > PDH technology
Products of SIAE Microelettronica AccessLink Family
PDH RADIO CARRIERS ACCESSLINK FAMILY
PRODUCT |
FREQUENCY BAND (GHz) |
AL7 |
7.10 - 7.90 |
AL8 |
7.70 - 8.50 |
AL10 |
10.50 - 10.70 |
AL13 |
12.75 - 13.25 |
AL14 |
14.25 - 14.50 |
AL15 |
14.40 - 15.35 |
AL18 |
17.70 - 19.70 |
AL23 |
21.20 - 23.60 |
AL25 |
24.50 - 26.50 |
AL28 |
27.50 - 29.50 |
AL32 |
32.80 - 33.40 |
AL38 |
37.00 - 39.50 |
Brief characteristics
Transmission capacity: 2, 2x2, 4x2, 8x2, 16x2, 34, 32x2, 2x34 Mbit/s - 105 Mbit/s for Fast Ethernet full speed connections
Protection schemes: Unprotected, 1+1 HSB, SD, FD and 2+0 (Ring Protection)
Baseband interfaces: nxE1, E3, 2xE3, Ethernet & Fast Ethernet + nxE1
Layer 2 features (Ethernet version): MAC Switching, Learning, Ageing
IEEE 802.1q VLAN/802.1x Flow control/802.1p QoS
IP-V4 ToS
Service channels: V11, V28, EOW (depending on version)
Modulation software selectable between 4QAM and 16QAM
32QAM modulation used in 105 Mbit/s version
Transmission capacity software programmable from 2 up to 32x2 Mbit/s (depending on version) Advanced Technology
 High degree commonalities: ODU is capacity and modulation independent, one single IDU covers a wide range capacities & modulation schemes (depending on version)
High Performances
Integrated or separated antennas
Compactness: 1 Unit IDU for 16x2 Mbit/s 1+1 configuration, 2 Units IDU for 1+1 Tributaries protection scheme, 32x2 Mbit/s and Ring protection
Ease of installation and maintenance
SNMP management interface
Integrated into SIAE NMS common platform (NMS5UX/SCT)
Support of IP and OSI stack for TMN connection
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