Table of Contents
Advertisement
4.1.1
General Description
A.
Service Phone Interface(EOW): Service phone between the stations. Insert the RJ-11 of any general
phones and dial the IDU EOW number. If there are more than one equipments in the same network, you
may dial "***" for group connection. All the phones in the network will ring.
B.
Symmetric E1 connector (RJ-48): 2E1: 2*RJ-48 4E1: 4* RJ-48 8E1: 8* RJ-48 16E1: 16* DB-25
(asymmetric). In this manual, we have taken 4E1 equipment as an example for easy explanation.
C.
LED: FINE indicates normal working condition. ALM indicates critical alarming condition. RMT indicates
remote unstable condition. TEST indicates system undergoing loopback test.
Item
Flashes @ 4Hz
FINE(green)
Flashes @ 4Hz
ALM(red)
TEST(yellow)
Flashes @ 4Hz
RMT(brown)
D.
LCD Display: LCD display is a standard LCD panel with 16 characters in a line, 2 lines in the panel.
Display the normal working temperature; transmit/receive power, capacity, frequency, BER and system
time.
Table 4-2 Definition of LED
System is initializing
ON
System is initializing or system is working well
OFF
Severe alarm happens (which affects normal communication)
Minor alarm happens(which doesn't affect normal
communication)
ON
On when alarm happens(which affects normal communication)
OFF
No alarm
System is testing itself
Can't connect with remote equipment
ON
MUX alarm happens on remote equipment
OFF
Remote equipment is working well
4-2
E1 Spread Spectrum Radios
Definition
Product Description
Advertisement
Table of Contents
