Standard Mask Definitions And Requirements; Table 3 6: Itu T Electrical Standards Masks - Tektronix 11801C User Manual

Standard Mask
Definitions and
Requirements
11801C User Manual
The following tables define the standard telecommunication masks that are
stored in the 11801C.
ITU T Electrical Standards Masks
Signal Requirements:

Table 3 6: ITU T Electrical Standards Masks

Mask Name Data Rate
Symmetrical 2.048 Mb/s
Pair
Coaxial Pair 2.048 Mb/s
Pulse 8.448 Mb/s
Pulse 34.368 Mb/s
Zero Pulse 139.26 Mb/s
One Pulse 139.26 Mb/s
STM1 155.52 Mb/s
CEPT 565 Mb/s
Single Pulse 64 kb/s
Double Pulse 64 kb/s
Data Pulse 64 kb/s
Timing Pulse 64 kb/s
Pulse 1.544 Mb/s
Symmetrical 6.312 Mb/s
Pair
Coaxial Pair 6.312 Mb/s
Pulse 32.064 Mb/s
Pulse 44.736 Mb/s
Pulse 97.728 Mb/s
75 W signals require a 75 to 50 W converter
with signal attenuation entered.
Trigger
Signal
Same as data
Same as data
Same as data
Same as data
Same as data
Same as data
Clock or data
Clock or data
Same as data
Same as data
Same as data
Same as data
Same as data
Same as data
Same as data
Same as data
Same as data
Same as data
Mask Testing
Data Signal
120 W, AIS, all ones
75 W, AIS, all ones
75 W, AIS, all ones
75 W, AIS, all ones
75 W, CMI all zeroes
75 W, CMI all ones
75 W, CMI PRBS or live
Data
50 W, PRBS or live data
110 W, AIS, all ones
110 W, AIS, all ones
110 W, AIS, all ones
110 W, AIS, all ones
100 W, B8ZS,
10000000100000001000
0000...
110 W, B6ZS,
100000100000100000...
75 W, B8ZS,
10000000100000001000
0000...
75 W, B3ZS,
100100100...
75 W, B3ZS,
100100100...
75 W, AIS, All ones
3 131