The document describes Sagittar's SGT-LPN series of digital microwave radios for point-to-point PDH networks. The radios provide full frequency coverage, high spectral efficiency using advanced modulation, exceptionally high reliability, rapid installation, easy configuration, and the lowest lifetime cost. They support transmission of E1 and Ethernet traffic and have a software-scalable design to support different service cards and configurations.

1. PDH DMR Links
PDH DMR Links
Over 15 years experience in the development and production of Digital Microwave Links: Sagittar’s Digital
Microwave Radios have found rapid acceptance and are installed world-wide. The Sagittar SGT-LPN series of
Digital Microwave Radios are Sagittar’s flagship products in the point-to-point PDH market, which provide a
high value proposition, exceptional configuration flexibility and are ideal for rapid installation in modern
communications networks.
The SGT-LPN series of PDH DMR Links deliver:
 Full frequency coverage
 Spectral efficiency using 16QAM/QPSK
 Exceptionally high link performance and reliability in extreme conditions
 Rapid, simple installation by semi-skilled labour with plug-and-play software
 Easy-to-configure and high product flexibility
 Lowest lifetime cost of ownership
 Unsurpassed price/performance ratio
Key features include:
 Up to 32E1 and 10/100BaseT Ethernet transmission, selectable traffic capacity
 The products are software scaleable and can be configured either locally or remotely
 Same Base Unit supports different service cards
 Service card type can be identified by the Base Unit
 Full range of configurations and frequency bands
 Exceptionally high link performance and reliability
 Management & Control via LCD or NMS
 Integrated WEB Server
 Rapid, simple installation by semi-skilled labour with plug-and-play software
 Easy-to-configure and high product flexibility
 Adaptive Reed-Solomon Forward Error Correction (FEC) for high grade of service
 Automatic Transmit Power Control (ATPC)
 SNMP (NMI) Option available
 Low power consumption
 Protection Option available
Contact Details: sales@sagittar.com HighPerformance LPN Series
Web: http://www.sagittar.com Telecommunications and Networking Solutions
Version: 38755 Ver 2

2.
PDH DMR Links
PDH DMR Links
Data Sheet:
General Specifications
System Configurations Non-Protected (1+0)
1+1 Hot Standby System
Space and frequency diversity
RF Channel Selection IDU Controlled or via NMS
Modulation Type 16QAM / QPSK
Digital Line Code HDB3
Digital I/O Connectors DB-37 E1 75, unbalanced or 120, balanced
10/100BaseT: 100 balanced RJ45
Intermediate Frequency 310MHz/70MHz
Unfaded BER 10-11 or better
Loopbacks Port Loopback, Frame Loopback, IDU IF Loopback, Remote Line Loopback.
Alarm inputs 4 photo-couplers
MTBF 180,000 Hours
Frequency 7GHz, 8GHz, 13GHz, 15GHz
Capacities & RF Channel 3.5MHz/4E1/2E1, Fast Ethernet
7MHz/8E1/4E1, Fast Ethernet
14MHz/16E1/8E1, Fast Ethernet
28MHz/32E1/16E1, Fast Ethernet
Transmitter
Output Power 13/15GHz (16QAM/QPSK): +20dBm / +23dBm
7/8GHz (16QAM/QPSK): +23dBm / +25dBm
Attenuation Range +5dBm~the Maximum
Receiver
Overload -20dBm
Receiver Sensitivity 16QAM -83dBm/4E1 -80dBm/8E1 QPSK -87dBm/4E1 -84dBm/8E1
(1x10-6 BER) 16QAM -77dBm/16E1 -74dBm/32E1 QPSK -81dBm/16E1
Microwave Link Interface
Interface types R84 or N(f) : 7/8GHz
R140 : 13/15GHz
Contact Details: sales@sagittar.com HighPerformance LPN Series
Web: http://www.sagittar.com Telecommunications and Networking Solutions
Version: 38755 Ver 2

3. PDH DMR Links
PDH DMR Links
Mechanical
Dimension (mm) IDU: 482 x 44 x 265
ODU: 265 x 265 x 112 (Licensed Band 7/8/13/15GHz)
Weight IDU: 3.5kg
ODU: 5kg
IDU-ODU Interconnection Single Cable, RG-8 Type, 50 unbalanced
Recommended Cable: Belden 9913
Maximum Distance: Up to 1000 Ft. (300 m)
ODU Connector Type: “N” Male
IDU Connector Type: “TNC” Male
ENVIRONMENTAL
Temperature Range IDU: -10～+50C
ODU: -33～+55C
Relative Humidity IDU: 20%～90%
ODU: 0%～100%
SERVICE CHANNELS
AUX Data Bit Rate: 19.2kbps,Protocol: RS232C Interface: RJ45
Software upgrading interface Bit Rate: 115.2kbps Protocol: RS232C Interface: RJ45
Engineering Orderwire Headset with Microphone and Earphone, 3.5mm (1/8 inch)
NMS Data Channel Bit Rate: 100Mbps, Protocol: 10/100 Base-T, Interface: RJ45
POWER SUPPLY
Standard Input -40VDC to -60VDC
Power Consumption 40Watts
IDU ODU + Antennas Licensed Band ODU
Contact Details: sales@sagittar.com HighPerformance LPN Series
Web: http://www.sagittar.com Telecommunications and Networking Solutions
Version: 38755 Ver 2