You are installing a Cisco ONS 15454 in a service provider site. A DS3 cable is to be connected to a digital cross-connect system. What is the maximum distance allowed between the two?()
- A、225 ft
- B、450 ft
- C、655 ft
- D、900 ft
正确答案:B
答案解析:有
微信扫一扫手机做题
You are installing a Cisco ONS 15454 in a service provider site. A DS3 cable is to be connected to a digital cross-connect system. What is the maximum distance allowed between the two?()
微信扫一扫手机做题