port rates meaning in Chinese
港口费率
Examples
- After the introduction of pcm , a pair of fiber can transmit at the rate of 34 mbits , which is equivalent to 480 circuits . now , digital trunks have been introduced , with a port rate of 2 mbits , which is equivalent to 30 circuits
在pcm出现之后，一对光纤可传送34mbits ，相当于480条电路；现交换机中继设备数字中继，每端口速率2mbits ， 30条电路。