EXFO ETS-1000G - Manual (Page 158)

Reference Tables
148 ETS-1000G
Test Sequences
Test Sequences
Digits, Letters, and Characters
Sequence type Method of application (recommended)
2e9-1 To detect errors (in case of transmitting data over a
communication link at the rate of up to 14.4 Kbps).
2e11-1 To detect errors and jitter (in case of transmitting data over a
communication link at the rate of 64 Kbps and 64NKbps, where
N is an integer).
2e15-1 To detect errors and jitter (in case of transmitting data over a
communication link at the rate of 1544, 2048, 6312, 8448, 32,064
and 44,736 Kbps).
2e20-1 To detect errors (in case of transmission over a communication
link at the rate of up to 71 Kbps).
2e23-1 To detect errors and jitter (in case of transmitting data over a
communication link at the rate of 34,368 and 139,264 Kbps).
2e29-1, 2e31-1 To detect errors (in case of transmitting data at high data rates
(over 139,264 Kbps)).
Key Digits Letters Characters
1 — @ / -
2 a b c —
3 d e f —
4 g h i —
5 j k l —
6 m n o —
7 p q r s —
8 t u v —