User's Manual
Table Of Contents
- 1.0 INTRODUCTION
- 2.0 MODEL NUMBER CODES
- 3.0 HARDWARE INSTALLATION AND BASIC INTERFACE REQUIREMENTS
- 4.0 INITIAL STARTUP AND CONFIGURATION
- 4.1 Introduction
- 4.2 STEP 1—Power up the LEDR Radios
- 4.3 STEP 2—Establish Communications with the Radio
- 4.4 STEP 3—Make Initial Login to Radio
- 4.5 STEP 4—Change the SUPER Password
- 4.6 STEP 5—Review Essential Operating Parameters
- 4.7 STEP 6—Set TCP/IP Settings to Enable SNMP and/or Telnet Management (if required)
- 4.8 STEP 7—Set User Configurable Fields
- 4.9 STEP 8—Verify Radio Performance
- 4.10 STEP 9—Install the Link
- 4.11 STEP 10—Verify the Link Performance
- 5.0 CONFIGURATION AND CONTROL VIA THE FRONT PANEL
- 6.0 CONFIGURATIONAND CONTROL VIA THE CONSOLE PORT
- 7.0 STANDARDIZING RADIO CONFIGURATIONS
- 8.0 UPGRADING LEDR FIRMWARE
- 9.0 USING ORDERWIRE
- 10.0 USING THE SERVICE CHANNEL
- 11.0 PROTECTED CONFIGURATION
- 12.0 SPACE DIVERSITY OPERATION
- 13.0 SPARE PARTS, UNITS AND ACCESSORIES
- 14.0 Fractional-T1 INTERFACE CARD 03-3846A01 Fractional-E1 INTERFACE CARD 03-3846A02
- 15.0 INCREASE BANDWIDTH BY CHANGING TRANSMITTER AND RECEIVER FILTERS
- 16.0 BENCH TESTING OF RADIOS
- 17.0 TECHNICAL REFERENCE
- 17.1 Specifications— Models: LEDR 400S, 700S, 900S and1400S
- 17.2 Specifications— Models: LEDR 400F, 900F, 1400F
- 17.3 Specifications— Protected Switch Chassis
- 17.4 Optional Equipment (Consult factory for detailed information)
- 17.5 Accessories
- 17.6 I/O Connector Pinout Information
- 17.7 Watts-dBm-Volts Conversion
- 18.0 RADIO EVENT CODES
- 19.0 IN CASE OF DIFFICULTY
112 LEDR Series I/O Guide MDS 05-3627A01, Rev. D
12.4 Inter-Unit Cabling for Space Diversity Stations
The RF cabling for space diversity stations depends on the location of
the duplexers. The block diagram in Figure 25 shows the RF connec-
tions in a typical system with two external duplexers.
Figure 25. Block Diagram of a Space Diversity Station
with External Duplexers
The inter-unit cabling for a space diversity system with external
duplexers is shown in Figure 26.
Figure 26. Inter-unit Cabling—Space Diversity
with External Duplexers
RX
TX
ANT
TX
RX
DUPLEXER
A
LEDR
UNIT B
LEDR
UNIT A
SWITCH
TX
DUPLEXER
B
TX
RX
RX
ANT
DO NOT USE IN
PROTECTED CONFIG.
TX
External
Data Interface
EIA-530-A
Ethernet
NMS
Service
Channel
Alarm I/O DC Power Input
EIA-530-A
Ethernet
NMS
Data Interface
Service
Channel
Alarm I/O DC Power Input
TO ETHERNET HUB
SERVICE
CHANNEL
(For both radios)
RX
TX
External
RX
G.703/Expansion Data
G.703/Expansion Data
RADIO A
RADIO B
PROTECTED
SWITCH CHASSIS
DO NOT USE IN
PROTECTED CONFIG.
CABLE 2A
P/N 03-3828A01
(SUBRATE MODELS)
TX PORT
TO
MUX OR OTHER
E1 EQUIPMENT TO EIA-530
DATA EQUIPMENT
(SUBRATE MODELS)
CABLE 1A
P/N 03-3837A02
CABLE 1B
P/N 03-3837A02
CABLE 2B
P/N 03-3828A01
(SUBRATE MODELS)
Antenna
TxA
TxBRxB
530 (A&B)
E1
12
34
EIA-530-A Service ChannelEthernet
Protected (A+B)
A
B
External
RX TX
RxA
TO EXTERNAL
DUPLEXER—RX PORT
COAXIAL CABLES (3)
P/N 19-1323A03
TO EXTERNAL DUPLEXER
RX PORT