2-2
UNIT DESCRIPTIONS
The DT-2000F fractional E1 service model, the real panel has a slot for changeable DTE
interface module. Both of DT-2000 and DT-2000F contain an IEC 320 AC Power Inlet
Connector. They use AC power source input, but the DT-2000FD use DC -48V power
source input.
l
The LED Indicators OF
DT-2000F:
N
AME
LED S
TATUS
D
ESCRIPTION
PWR
Green
Means POWER ON
E1
Green
Indicates E1 LOS/BER condition
Off
Means no LOS/BER condition
HDSL
LED
Green
Indicates SNR of any HDSL loop is below a
predefined threshold
Off
SNR of all loops are good
LOOP 1/2
Green
Indicates HDSL loop in good condition
LEDs
Off
Indicates HDSL loop LOSW (Lost of Sync
Word) condition
Or indicates HDSL loop BER condition
TST
LED
Green
The test state is active
Off
Normal operation
Yellow
Means that Battery Low
BATL
LED
Off
Indicates Battery Good
ALM
Yellow
Indicates an alarm occurred at the far-end or
near end.
LED
Off
no alarm
Содержание DT-2000 Series
Страница 6: ...CHAPTER 1 INTRODUCTION CONTENT 1 1 General Description 1 2 Specifications 1 3 Module List...
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