In what order do I have to order my network diagram?

Question

I have to draw a diagram about small office network, it has 5 desktop computer, a printer, a fax, a server, a hub. And it uses a high speed DSL for internet connection.
I don't know what order should be, is it
1. The server-DSL modem-firewall-internet? or
2. Server-firewall-DSL modem-internet? or
3. Server-router-firewall-internet? or
4. Server-firewall-router-internet? or how??

I should use DSL modem or a router or both??

Someone please help me if you know something about it..

Thank you..

Answer 1

I always diagram from the internet in. Looks like a pyramid that way.

(Internet)

Modem

Router

Switch/Hub

Computer --- Computer --- Computer --Fax-- Server-- Printer

One line from Internet to modem
one from modem to router (you can attach server and printer here if you like or connect all the the next connector)

one from router to hub/switch

then lines from switch to each device (you can even list IP's as needed particularly if they are statically assigned which you do want for the server, printer, and fax.