58
LEDR Series
www.GEDigitalEnergy.com
090202-v04
Specifications
GENERAL
Frequency Bands (Subrate)
Non-ETSI
400S: 330-512 MHz
900S: 800-960 MHz
1400S: 1350-1535 MHz
ETSI
1400S: 1350-1535 MHz
Frequency Bands (Fullrate)
Non-ETSI
400F: 330-512 MHz
900F: 800-960 MHz
1400F: 1350-1535 MHz
ETSI
1400F: 1350-1535 MHz
Channel size (Subrate)
Non-ETSI
25, 50, 100, 200 kHz
ETSI
25, 75, 250 kHz
Channel size (Fullrate)
Non-ETSI
500 kHz, 1 MHz, 2 MHz
ETSI
500 kHz, 2 MHz
Data rates (Subrate)
Non-ETSI
64, 128, 256, 384, 512, 768 kbps
ETSI
64, 128, 768 kbps (fractional E1/
T1 available at 768 Kbps)
Data rates (Fullrate)
Non-ETSI
1-E1 up to 4-E1
ETSI
1xE1, 3xE1
Modulation (Subrate)
Non-ETSI
32-QAM, 16-QAM, QPSK
ETSI
16-QAM
Modulation (Fullrate)
Non-ETSI
32-QAM, 16-QAM, QPSK
ETSI
32-QAM
Voltage range
Non-ETSI
±12 Vdc (w/external power
supply), ±24 Vdc or ±48 Vdc
(±20%)
ETSI
±24 Vdc or ±48 Vdc (±20%)
Voltage range (Fullrate)
Non-ETSI
±12 Vdc (w/external power
supply), ±24 Vdc or ±48 Vdc
(±20%)
ETSI
±24 Vdc or ±48 Vdc (±20%)
TRANSMITTER
Output control
range
10 steps of up to 10 dB
Frequency stability 1.5 ppm
Output power
+30dBm
TRANSMITTER
Residual BER
<1x10-6
Dynamic range
>65 dB
INTERFACES
Data
EIA-530 / G.703 (option
available)
Orderwire
DTFM capable
Data Service
Channel
RS-232, 300 9600 bps
Ethernet NMS
10 Base-T
Console Port
RS-232, 300 bps 115.2 Kbps
Alarms
4 programmable outputs, 4
programmable inputs
Antenna
50 Ohms impedance
NETWORK MANAGEMENT
Local LED
Indicators
Front panel LED status indicate:
Power, Active, General Alarm, Rx
Alarm, Tx Alarm, I/O Alarm
Front Panel LCD
Display & keypad for
management of local & remote
radio
Element
Management
Full management of LEDR
network via command line
interface
SNMP
Management
Full IP- based management
of LEDR network and
SNMP-enabled peripherals via
customer enterprise MIB
HTML Webserver
Full IP-based management of
LEDR network and web-enabled
peripherals via web browser
ENVIRONMENTAL
Temperature
-10C to +50C
Humidity
< 95% non-condensing
ELECTRICAL
Power
Consumption
< 60W (non protected), < 135W
(protected)
MECHANICAL
Dimensions
4.5 H (1U) x 48 W x 30 D cm
(1.75 H x 19 W x 12 D in)
AGENCy APPROVALS
LEDR 400S & 400F
Transmission
FCC Part 90, IC RSS-119
EMC
ETS 300 385 (LEDR 400S), FCC
Part 15
LEDR 900S & 900F
Transmission
FCC Part 101, IC RSS-119
EMC
FCC Part 15
LEDR 1400S & 1400F
Transmission
ETS 300 630, MPT 1717 Class 3
Environmental
ETS 300 019, Class 3.2
EMS
ETS 300 385
Safety
CE Mark
MISCELLANEOuS
Options
Space Diversity
Hot-standby Protected
Bandwidth Upgrade Kits
(consult factory)
Bandpass Duplexers
Accessories
110/240 Vac, 50/60 Hz Power
Supply
Orderwire Handset
G.703 120 Ohms to 75 Ohms
balun
Protected
Configuration: 2 x LEDR radios,
connected via protected switch
box
Total size: 2 x 1 RU high + 1 x 2
RU high
Transmit/Receive Branching
Loss: 2 dB/5 dB
Receive Switching: Hitless
General Specifications
Line rate
T1 (1.544 Mbps); E1
(2.048 Mbps)
Channel size 200 kHz
Data rate
768 kbps (12 x 64 kbps)
Framing
SF, ESF (T1), FAS, CAS,
CRC (E1)
Signaling
RBS (T1); Time Slot 16
CAS (E1)
Line codes
AMI, B8ZS, B7ZS (T1),
AMI, HDB3 (E1)
Interface
RJ48C Balanced
Interface,
100 Ohms (T1), 120
Ohms (E1)
Physical
Size
15.24 cm x 12.7 cm (6
in x 5 in)
Configuration Option card, fitted
internal to LEDR
chassis
Availability
ETSI
Fractional and full E1
(1400S)
Availability
Non-ETSI
Fractional T1 (400S,
900S, 1400S)
Fractional E1 (400S,
900S, 1400S)
Full E1 (400F, 900F,
1400F)
Fractional T1/E1 Interface Card
System Performance Fullrate, Non-ETSI
System Performance Fullrate, ETSI
System Performance Subrate, Non-ETSI
System Performance Subrate, ETSI
Channel Spacing
500 kHz
1.0 MHz
2.0 MHz
Capacity
1 x E1
2 x E1
4 x E1
Receiver Sensitivity
(10
-6
BER)
1
(32 QAM)
-89 dBm
-86 dBm
-83 dBm
System Gain
(10-6 BER) (32 QAM)
119 dB
116 dB
113 dB
Channel Spacing
25 kHz
75 MHz
250 kHz
Capacity plus overhead
72 kbps
152 kbps 800 kbps
Capacity w/o overhead
64 kbps
128 kbps 768 kbps
Receiver Sensitivity
(10
-6
BER)
1
(32 QAM)
-101 dBm -99 dBm
-91 dBm
System Gain
(10
-6
BER) (32 QAM)
131 dB
127 dB
121 dB
Channel Spacing
500 kHz
2.0 MHz
Capacity
1 x E1
3 x E1
Receiver Sensitivity
(10
-6
BER)
1
(32 QAM)
-89 dBm
-83 dBm
System Gain
(10
-6
BER) (32 QAM)
119 dB
113 dB
Channel Spacing
25 kHz
50 kHz 100 kHz 200 kHz
Capacity*
64 kbps 128 kbps 256 kbps 768 kbps
Receiver Sensitivity
(10
-6
BER)
1
(32 QAM) -101 dBm -99 dBm -96 dBm -91 dBm
System Gain
(10
-6
BER) (32 QAM)
131 dB
127 dB
126 dB
121 dB
Modulation Type
Threshold
Differential
Norm System Gain
Differential
QPSK
-4.5 dB
-5.5 dB
16 QAM
-1.5 dB
-2.5 dB
32 QAM
0 dB
0 dB
Modulation Type
Threshold
Differential
Norm System Gain
Differential
QPSK
-4.5 dB
-5.5 dB
16 QAM
-1.5 dB
-2.5 dB
32 QAM
0 dB
0 dB
1. Receiver sensitivity for 10-3 BER are typically 3 dB better
2. Additional overhead channels over and above capacity shown
1. Receiver sensitivity for 10-3 BER are typically 3 dB better
To order the LEDR visit www.GEMDS.com/LEDR
CommunicationsRG.indb 58
5/1/2009 12:34:28 PM