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XG2121

E1 Service Tester

XG2121 E1 service tester is a handheld digital transmission system test instrument, specially designed for opening, maintenance and PCM equipment test. It provides BER test, frame analysis, timeslot analysis, signaling test, signal analysis, alarm analysis, PCM simulation and etc. It’s a powerful solution for satisfying the needs of test engineers involved in telecommunication equipment R&D, production detection, telecommunication line access and maintenance.
 
Basic Functions
  • 120Ω and 75Ω line interfaces
  • HDB3 and AMI line codes
  • Out-of-service framed and unframed testing
√  2Mb/s, N×64Kb/s BER testing
√  Frame data and alarm monitoring
√  Clock slip measurement
  • In-service framed and unframed testing
√  Hi-Z and through mode testing
√  CODE, FAS, CRC4, E-BIT BER testing
√  Frame data and timeslot activity monitoring
√  Monitoring of octet code in any chosen    timeslot
√  Built-in 64kb/s tone channel monitor capability
√  ABCD code monitoring in CAS signaling
√  TS16 monitoring in CCS signaling
  • Round trip delay measurement
  • APS delay measurement
  • PCM simulator
√  Extensive error insertion and alarm generation
√  Frame data monitoring and control
√  Idle word insertion in one or more timeslots with programmable pattern
√  VF tone generation and measurement in one or more timeslots
  • Frequency, offset and level measurement
  • Transmit clock deviation up to ±999ppm
  • Clock source: Internal, Interface and External 2M clock/signal (optional)
  • Testing pattern: PRBS, Fixed Code, 16-BIT User-programmable word
  • Error insertion: Single and Fixed Rate
  • Real-time transmit circuit status indication: open/short
  • Manual and auto-timer measurement
  • Performance analysis according to G.821, G.826, and M.2100
Main Features
  • Handheld design and easy-to-use
  • High resolution backlight LCD
  • Smart navigation operation interface
  • Self-check and keyboard testing function
  • Extensive error and alarm generation, detection and indication
  • Analysis and stat. of alarm and error events in histogram
  • Continuous working up to 99 days, with timing on/off test
  • Save/Recall of up to 7 user-defined configurations and 10 groups of results
  • Up to 6 hours operation from a single battery charge, and battery holder
  • Built-in rechargeable Li battery and smart charger circuit
  • Chargeable for automobile cigarette lighter battery adapter
  • Test results uploaded, conserved and printed by TestManager software via a USB interface connected to PC
Configuration List
 
Item
QTY
Item
QTY
E1 Service Tester
1
TestManagerPro Software CD
1
AC Power Adaptor
1
Waterproof Package
1
120 ohm Balanced Test Cable
1
User’s Manual
1
75 ohm Unbalanced Test Cable
2
Quality Certificate Card
1
USB Communication Cable
1
Maintenance Card
1
Rechargeable Li Battery
1
Packing List
1
Earphone
1
 
 
 
 
 
 
 
 
 
 
 
 
Specifications
 
Item
Description
Internal Clock
2048Kb/s ± 10ppm
Frequency Deviation
±999ppm
Line Interfaces
75Ω (Unbalanced), 120Ω (Balanced); High Input Impedance >2KW
Line Code
HDB3, AMI
Framing
Unframed, PCM30, PCM30CRC, PCM31, PCM31CRC
Level Measurement
-43dB ~ -2.5dB
Tx Clock Source
Internal, Interface and External 2MHz clock or signal (optional)
Frequency Measurement
Accuracy: ±1Hz
Offset Measurement
Accuracy:±1ppm 
Range:-999ppm~+999ppm
VF Insertion
Frequency:200Hz~3400Hz,Step:10HZ
Level:-60dBm~+3dBm
VF Measurement
Frequency:200Hz~3400Hz, Accuracy:±1Hz
Level range : -60.00dBm~+3.14dBm
-60.00dBm ~ -21.00dBm, accuracy: ±2.87dBm
-20.00dBm ~ +3.14dBm, accuracy: ±0.21dBm
Delay measurement
Accuracy: ±1μs
Test Patterns
PRBS
223-1,215-1,211-1,29-1
Fixed Code
1111, 0000, 1010
16-BIT
User Programmable Word
Alarm Indications
Signal Loss, AIS, Frame Loss, MFrame loss, Pattern Loss, Remote Alarm, Errors, Low Battery
Error Insertion
Type: BIT, FAS, CODE, CRC4, E-BIT
Off, Single, Fixed Rate: 1E-2, 1E-3, 1E-4, 1E-5, 1E-6, 1E-7
Alarm Insertion
AIS, Frame Loss, CAS and CRC MFrame Loss, Remote Alarm, Remote MFrame Alarm
Performance Analysis
ITU-T G.821, G.826 and M.2100
Serial Port
USB
Rechargeable Batteries
7.4 V Li batteries, continuous working for 6 hours
Recharging Time
Approx. 2 hours
Power supply
Input: 100V ~ 240VAC, 50/60Hz
Output: 12VDC /1.5A
TestManagerPro
Operating System: WIN98/ME/2000/NT/XP
Dimensions
L×W×H  228mm×117/72mm×53mm
Working Temperature
0℃ ~ 50℃
Storage Temperature
-30℃ ~ 70℃
Humidity
5% ~ 95% non-condensing
Weight
Approx. 550g
 
 
 
Call
+86-755-26711014
+86-755-26711015
+86-755-26711016
Mail:
Sales@xgxc.com
 
 
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