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Glenayre
Broadband RF Glenayre Proxim Breezecom Speedlan Wi-LAN Lasers Satellite xDSL 4-38 GHz Microwave Radio 11/21-23 GHz Microwave Conifer Antennas

 

Cellular/PCS
Lynx Fractional T1/E1 Radios

 

Spread Spectrum T1 Digital Microwave Radios
Lynx sc Logo
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T1 Logo
No operating license required (in most countries)
One to four independent DS-1 (1.544 Mbps) channels
Point-to-point communications from less than 1 mile to more than 50 miles
Wide operational temperature
Built-in loopback, far-end monitoring and orderwire
Open network management
One to Four Channels
Up to four independent, non-compressed, full-duplex T1 channels are provided (depending on model). This capability provides an alternative to leased lines or traditional licensed radio for fast and easy connection of T1 capacity requirements.

Spread spectrum technology allows a license-free approach to accomplish medium-capacity spur connections quickly, without FCC licensing or coordination.

Full-Featured
Built-in orderwire provides an easy means for private telephone connections between radio sites.

Open network management yields flexibility for operators with central equipment monitoring facilities.

The one-piece indoor design, loop-back functions, flexible power connections and external adjustments result in a system that is easy to install and maintain. Also, wide temperature operation allows users to install LYNX.sc in outdoor cabinets or shelters without additional air conditioning or heating.

Applications
LYNX.sc digital microwave radios are easily connected to voice, data or video sources. Outstanding system gain provides wireless point-to-point link distances greater than 50 miles, line-of-site. Hub and repeater configurations are also easily implemented.

Typical applications include cellular/PCS base station interconnect, rural telephone and remote data connections.

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The LYNX.sc Product Line
The LYNX.sc family offers five models for full-duplex T1 (1.544 Mbps) wireless communications: 2.4 GHz T1, 5.8 GHz T1, 2.4 GHz 2 x T1, 5.8 GHz 2 x T1 and 5.8 GHz 4 x T1. The LYNX.sc family also offers a similar line of E1 (2.048 Mbps) and fractional capacity (56 to 512 kbps) radios. Each model offers selectable frequency channel plans with excellent adjacent channel performance, resulting in easy installation of repeaters and hubs. In addition, the LYNX.sc provides a combination of several exclusive features, yielding increased flexibility and reliability as well as lower cost installation and maintenance.
Wide Operational Temperature Range
Outdoor cabinet mounting
No external environmental controls required

Small Size, One-Piece Construction

Less rack space (2RU rack mount)
Low-cost installation and maintenance with no tower mounting

Far-End Monitoring

Far-end status and test points at near-end radio front panel

Multiple Channel Plans

Flexible hub and repeater installations
Provides interference mitigation

RF Power Control

Easy adjustment for EIRP regulations (where applicable)
Installs with a variety of antennas

High System Gain & Forward Error Correction (FEC)

Improved transmitter output power and receiver sensitivity
High reliability links with excellent fade margin
Spread Spectrum Technology
No license required (in most countries)
Fast, inexpensive installation

Loopback Functions

Eases installations and BER testing with internal or external test source
One-person installation and testing

Wide Input Power Range

Connects to a variety of +/- DC sources (e.g. +24 or -48 V) without options
AC adapter available

Protect Port

Can be installed in redundant configurations

Two Service Channels

Digital orderwire providing voice communications over radio network
Clear channel for wayside traffic

Network Management (OpenLYNX)

Embedded TBOS agent
Wayside RS-232
Windows 95 GUI
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Model 31250
   (2.4 GHz T1)
Model 31650
   (2.4 GHz 2 x T1)
Model 31000
   (5.8 GHz T1)
Model 31600
   (5.8 GHz T1)
Model 31800
   (5.8 GHz 4 x T1)
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Frequency Band
Digital Capacity
(RATE)
Threshold
(
BER=1X10-6)
System Gain
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2400-2483.5 MHz

2400-2483.5 MHz
 
5725-5850 MHz

5725-5850 MH

5725-5850 MHz

T1 (1.544 Mbps)

2 x T1 (2 x 1.544 Mbps)
 

T1 (1.544 Mbps)

2 x T1 (2 x 1.544 Mbps)

4 x T1 (4 x 1.544 Mbps)

-94 dBm

-91 dBm
 

-93 dBm

-90 dBm

-87 dBm

124 dB

121 dB
 

116 dB

113 dB

110 dB

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Specifications
All Models
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System
Antenna Connector
Full Output Power
  (2.4 GHz)
RF Attenuation Range
  (2.4 GHz)
Full Output Power
  (5.8 GHz)
RF Attenuation Range
  (5.8 GHz)
Max. Receive Level

Coding
Number of Codes
Processing Gain
Transmission Delay
  (radio only)
  (10 mile path)
  (30 mile path)
Regulatory Compliance
N-type female
>\= +27 dBm, +30 dBm maximum
16 dB, minimum

>/= +20 dBm, +23 dBm typical
20 dB, minimum

0 dBm, error free;
+10 dBm, no damage
Direct sequence
4 (selectable)
10 dB, minimum

250 us, maximum
300 us, maximum
400 us, maximum
FCC Part 15.247
(Class B)
IC RSS210/139

Digital Line Interface
Digital Interface
Connectors
Bantam Jacks
Line Code
Line Build Out
Blue Code
Far-end Loopback
DSX-1*
DB9, RJ-45 (RJ-48c)
Tx & Rx monitor
B8ZS or AMI, selectable
0 to 660 feet, selectable
AIS
(Alarm Indication Signal)
Local or remote control
(internal/external signal source)
Specifications
All Models
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Auxiliary Connections
Orderwire Handset
VF Orderwire Bridge

Diagnostics Port

Aux Data Port
 (Clear Service Channel)
Alarm Port
Protect Port
Test Points
2-wire, RJ-11
600 ohm balanced, 4-wire, 0 dBm, DB25
RS-232/RS-422
(craft/TBOS), DB9
RS-232/RS-422,
</= 9600 baud, DB9
2 Form C, 6 TTL, DB25
RS-232, RJ-45
Output power,
Near & far-end RSL
Power/Environment
DC Power
Optional AC Adapter
Power Connector
Operational Temp.
Humidity
Altitude
+/- 20 to +/- 63 Volts, <45 Watts
100 - 250 Volts, 50 - 60 Hz
6-pin barrier strip, plug in
-30 to +65 deg C
0 to 95% non-condensing
15,000 feet, maximum
Physical
Size (WxHxD)**
Weight
17.2 x 3.5 x 14.5 inches (2RU)
11 pounds
*Meets CCITT G.823, AT&T Pub 62411, Bellcore TR-TSY-000499
**Not provided on Model 31800
***19-inch EIA rack mount, 2-unit height (mounting brackets supplied)
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Ordering Information
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System
31250-xxx
31650-xxx
31000-xxx
31600-xxx
31800-xxx
201-9350
2.4 GHz T1
5.8 GHz 2 x T1
5.8 GHz T1
5.8 GHz 2 x T1
5.8 GHz 4 x T1
OpenLYNX™ GUI

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Channel
xxxxx-A1x
xxxxx-A2x
xxxxx-B1x
xxxxx-B2x
xxxxx-C1x
xxxxx-C2x
A1 channel
A2 channel
B1 channel+
B2 channel+
C1 channel++
C2 channel++
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AC Adapter
xxxx-xx0
xxxx-xx1
Without AC adapter
With AC adapter
+ Models 31250, 31000 and 31600 only. ++Model 3100 only.
All specifications subject to change without notice.
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OpenLYNX™ Network Management System
OpenLYNX™ implements an open protocol for management of LYNX.sc radio networks using three elements:
  1. Embedded TBOS agent
  2. Windows 95™ graphical user interface (GUI)
  3. Wayside 9600 baud data channel with RS-232 ports

TBOS (Telemetry Byte Oriented Serial) is an open standard for network management, originally developed by Bellcore for AT&T. The TBOS protocol is a simple and reliable serial polling design. A TBOS agent embedded in every LYNX.sc responds to any standard TBOS network manager.

The (optional) GUI is a Windows 95™-based software package that includes a TBOS network manager. This program interprets the TBOS information provided from a network of LYNX.sc radios and provides top-level status (red/green/yellow), virtual front panels, alarm and status logs and remote controls of the connected LYNX.sc radios.

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OpenLYNX™ enables seamless integration into an existing network management system (NMS). A single connection to any one radio in the network can provide radio information and control for several interconnected radios, even through hub and repeater sites through the wayside RS-232 data channel.

OpenLYNX™  supports direct and dial-up connections and can be used for central or site-oriented radio management and troubleshooting.

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Frequency Channel Plans (MHz)
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Easy to Install: Small dish or flat panel antennas can be used at both 2.4 and 5.8 GHz, along with low-loss coaxial cable to provide excellent performance for line-of-sight distances from less than 1 mile to more than 50 miles. The installation shown provides a rural telephone T1 extension using a 5.8 GHz 2 foot parabolic dish and 1/2 inch coaxial cable, mounted on a telephone pole.
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Hub Site Engineering: Using standard microwave radio path engineering practices, LYNX.sc radios can be integrated into hub sites, even in the presence of other spread spectrum and licensed microwave systems. This site illustrates seven LYNX.sc radios, all operating in the 5.8 GHz band, located at a hub site that also employs a variety of licensed microwave radios.
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Cabinet Mounting: The LYNX.sc can be mounted in existing equipment cabinets, stand-alone cabinets or any weatherproof enclosure. Occupying only two rack mount units (with no outdoor mounted electronics) plus a -30 to +65 degree Celsius operating temperature range, the reliable LYNX.sc is very easy to install and maintain. The LYNX.sc is shown mounted in a telephone switch cabinet without air conditioning or heating.
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Network Management: Utilizing an open architecture protocol, the LYNX.sc can be integrated into existing network management systems. OpenLYNX™  gives users a fast and intuitive system for control, diagnostics and troubleshooting of the radio network.
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View this image in greater detail

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The LYNX.sc is the third generation of the LYNX family. Introduced by Western Multiplex Corporation in 1992, the LYNX was the first T1/E1 spread spectrum radio in the world. LYNX, the world leader of T1/E1 spread spectrum, has earned a reputation for ease of use and excellent reliability.

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Copyright © 1998 AIRLINX Communications, Inc.
Last modified: February 28, 1999