
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— @ / -
2a b c—
3d e f—
4g h i—
5j k l—
6m n o—
7p q r s—
8t u v—
Kommentare zu diesen Handbüchern