 |
| English | Chinese |
| A&B bit signaling | A 和 B 位信令北美 T1 数字系统所用的信令方式 |
| 2 bits of binary code is replaced by a quaternary or 4-level bit | 2B1Q 码每二位二进码代以一位四电平码 |
|
| English | Chinese |
| A&B bit signaling | A 和 B 位信令北美 T1 数字系统所用的信令方式 |
| 2 bits of binary code is replaced by a quaternary or 4-level bit | 2B1Q 码每二位二进码代以一位四电平码 |