I just did my first municipal ISP design not too long ago and this document was an excellent introductory guide to the topic and understanding optics in general

I just did my first municipal ISP design not too long ago and this document was an excellent introductory guide to the topic and understanding optics in general. The documentation for DWDM muxs (Ex: BTI and MRV) were also invaluable in learning how to apply the concepts outlined in the above document. This definitely expanded my horizons in the service provider networking field. Ex: http://www.juniper.net/support/downloads/?p=bti7200#docs http://www.juniper.net/support/downloads/?p=bti7200#docs