NEC SDH5000s
The 5000S series SDH long range microwave system is designed for synchronous transmission module -1 (STM-1) or optical carrier oc-3.

Frequency range: 4-11ghz
Capacity: 155.52Mbps/system
. Modulation mode: 64QAM, 128QAM
Interface: stm-1 electrical/optical, GbE (built-in MUX)
. SDH terminal: RST, (MST (built-in MUX)
- the configuration:
N plus 0 (N: 1-10), N plus 1 (N: 1-9).
Back to back: 2 times (N + 0) (N: 1-5)
2 times N plus 1 times N: 1 minus 4.
Relay: 2 x (N + 0) (N: 1-5)
2 times N plus 1 times N: 1 minus 4.
XPIC system: 2 x (N + 1) (N: 1-4)
1 + 1 hot standby/dual channel/SD
2 (1 + 1) hot standby/dual channel/SD (relay)
SD mode: if synthesis (up to 3 antennas)
System capacity: 1 ETSI sub-frame maximum 10 systems contain MU X
1-5 system (natural air cooling)
6-10 system (fan cooling)
Distinctive features
Enhanced modulation and demodulation
Automatic transmission power control (ATPC)
Automatic light protection switching
Adaptive equalization (providing adaptive time domain equalization ATDE)
Space diversity
Redundant configuration of XPIC devices
FEC to improve system error performance
Low density parity (LDPC) codes are used for forward error correction (FEC) to ensure excellent error correction performance
Rich digital service channels and roadside transmission
DSC: 1 way 64 KBPS +1 way 192 KBPS, or 4 way 64 KBPS
WS: 1 channel (128QAM) 2Mbps or 2 channel (64QAM) 1.5mbps
. Alarm, status and performance monitoring
Built-in performance management capabilities
The operator can implement monitoring and control functions via NMT or NMS
- built-in MUX
NEC's SpectralWaveR (v-node S) multiplexing device provides a wide variety of business interfaces such as PDH, SDH and gigabit Ethernet interfaces, as well as flexible network topologies such as linear, ring, and multi-ring.