1-4
INTRODUCTION
l
E1 Clock
Ø
Source : E1 Internal, E1-C Network, Codirectional (E1-C only).
Ø
Internal Clock Accuracy :
±
32ppm
l
Indicators
Ø
DT-2000F Desktop Series:
PWR, E1, L1, L2, HDSL, TST, BATL, ALM
Ø
DT-2000NF Rack Mounted Series:
SEL, STAT, C/R, E1 LOS/BER, HDSL CONT/SNR, L1 LOSW/BER, L2
LOSW/BER, ALM, RMT/ALM, TST, SCAN.
l
Maintenance
Ø
Performance monitor :
Ø
HDSL : ES, SES, FEBE, BER, SNR, etc. (Refer to Chapter 3)
Ø
E1 : BER, ES, SES, etc. (Refer to Chapter 3)
Ø
Diagnostics : E1 Network Near End Loopback, Far End Loopback, Customer
near end Loopback. Customer Far End Loopback, Data port loopback, HDSL
Digital Loop Self-test
Ø
Configuration backup and recovery to/from external device
Ø
Front panel switches: Display far-end, Loop back test
Ø
DT-2000F Desktop Series: front panel switches: Display far-end, Loop back test
Ø
DT-2000NF Rack Mounted Series: front panel LCD and Key switches and NMC-
32 controller
Ø
LCD : 16 x 2 display
Ø
Key Switch : Up, Down, Left, Right, Home
Ø
WNMS with SNMP platform compatible.
l
Power
Ø
DT-2000F Desktop Series:
Local power :
For DT-2000/ DT-2000F : AC Input 85 ~ 260 V, 47 ~ 63 Hz
For DT-2000FD: DC Input –30 ~ -72 V
For DT-2000FP: Loop Power sink(from HDSL loop 110V DC)
Power consumption : Full/Fractional E1< 7.5 watts
Wetting current : > 15mA
Содержание DT-2000 Series
Страница 6: ...CHAPTER 1 INTRODUCTION CONTENT 1 1 General Description 1 2 Specifications 1 3 Module List...
Страница 7: ......
Страница 14: ...CHAPTER2 Unit Description CONTENT 2 1 General Description 2 1 1 Desktop Units 2 1 2 Rack Mounted Units...
Страница 15: ......
Страница 26: ...UNIT DESCRIPTIONS 2 11 This page is intentionally left blank...
Страница 27: ......
Страница 29: ......
Страница 41: ...3 12 INSTALLATIONS This page is intentionally left blank...
Страница 42: ......
Страница 69: ...4 26 OPERATING MAINTENANCE This page is intentionally left blank...