I discover while doing some inventory work that one of the spans on my sonet ring has two different line cars facing each other; 1310 OC48 and a1550 LR OC48 . I have not noticed any errors or encountered any problems with this span since it was deplo...

I have an existing G 1000 card, and anytime I try to create a circuit on the non working ports I take errors on the existing circuit on that card. Please help someone. Thanks Dave

I am planning to take the cisco optical exam and I will like to know about how many questions on this exam. Cisco web page has over 100 questions and i wonder if this is a typo. on the part of cisco or what? Thanks B...