User's Manual

Table Of Contents
MDS 05-3627A01, Rev. D LEDR Series I/O Guide 17
channel, however, it will reduce the throughput efficiency of any data
communications on the Service Channel during periods of voice trans-
mission. See “USING ORDERWIRE” on Page 99 for more informa-
tion.
CONSOLE The second connector is a DB-9 type with a computer icon over it. Here
is where you can connect a computer’s serial port for unit configuration,
diagnostics and firmware upgrades to the radio.
Invisible place holder
Figure 10. LEDR Front Panel
(All models Identical)
3.6 Rear Panel Connectors
The rear panel of the LEDR radio transceiver contains a number of con-
nectors to interface with the radio’s antenna system, data equipment,
and user remote data network monitoring and control equipment.
Connector Locations
LEDR “S” Series The rear panel of the LEDR “S” Series radios is shown in Figure 11.
Refer to the descriptions that follow for specific information regarding
rear panel connections.
Invisible place holder
Figure 11. LEDR 400S/700S/900S/1400S Rear Panels
(Shown with Optional FT1/FE1 Interface PCB Installed)
CONSOLE
(COMPUTER)
ORDERWIRE HANDSET
Antenna/TX
External Duplexer
RX
G.703/Expansion Data
EIA-530-A
Ethernet
NMS
Data Interface
Service
Channel
Alarm I/O DC Power Input
Power Plug
Detail (see text)
COOLING FAN
ETHERNET
SERVICE CHANNEL
ALARM INPUT & OUTPUT
DC PRIMARY
ANTENNA SYSTEM
Note: RX Connector present with external duplexer only.
CONNECTORS
POWER
Four RJ-45 connectors with FT1/FE1 Interface PCB installed
Only one RJ-45 port is active based on selection. See linename command.
DB-68 Connector for interface to Protected Switch Chassis
If vacant, EIA-530 connector to right is the active data connector.
GND
1342
DATA CONNECTOR