Bit Error Meter (2.048 Mbit/S)   Model 1205-1
  
     
 
Features  
  • Error Analysis at 2.048 MHz Primary Rate
  • 210-1, 215-1, 217-1, 223-1 Selectable Pseudorandom
    Sequence as per CCITT Recommendation
  • Selectable AIS Pattern
  • HDB3 Coding
  • Binary Error Insertion / Detection
  • Error Rate 1 in 103 to 1 in 106 Selectable
  • Single Error Insertion
  • Total Error Count (TECN) Display
  • Bit Error Rate (BER) Display

Technical Specifications
PATTERN GENERATER  
Bit Rate 2.048 Mb/s, ±50 ppm.
Pseudorandom 210-1, 215-1, 217-1, 223-1 as per Pattern CCITT recommendation.
Error Insertion Binary error at rates of 1 in 103, 1 in 104, 1 in 105 or 1 in 106, single error.
Clock 2.048MHz ±50ppm (25±10ºC).
Output 1 20 ohms balanced, 3Vp output.
75 ohms unbalanced, 2.37Vp output.
Coding HDB3.
ERROR ANALYSER  
Bit Rate 2.048 MB/s.
Pattern As per generator, synchronised with input signal when reset.
Input Impedance 75 ohms in off line
120 ohms in Off line.
Balance High impedance in On line.
Measurement 1. Bit error rate.
2. Total errors.
Alarms AIS, No signal & Sync loss, Pattern loss.
Error Detection Bit errors can be detected, single error detection possible.
Coding HDB3.
Display 5 digit 7 segment display for error count and 6 digit 7 segment displays for Bit Error Rate.
Input Supply 240V AC ±10%, 50Hz.
Weight 3 Kg. approx.
 

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