If you are on plus you seem to have a simpler product than most:
Is This Suitable For Me?
Get a great-value broadband experience that's perfect for web surfing and email.
Broadband Plus is not suitable for data-intensive applications such as file-sharing and large downloads. Broadband Plus is designed for 4GB usage at peak times (4pm - midnight) per month. If you think you need more than this, or you regularly use peer-to-peer, take a look at
http://www.plus.net/residential/broadband/broadband_plus.shtml?link=resbb_pluslink
http://www.plus.net/support/broadband/network/traffic_management.shtml?pn_session=87f6f7a0a63ec6f3f77820b800e374f3
Broadband Plus
Perfect for surfing, email, chatting and shopping - not file-sharing and large downloads.
There is no usage cap, however the product is designed for up to 4GB usage each month at 4pm-Midnight. Once your usage exceeds the product design, your downloads and surfing will get progressively slower until the start of your next billing month when your usage is reset.
4GB per month at peak times is more than enough for most Broadband Plus customers, for example you could do all the following: