Add in next release
Add the following links to topic #2 under Channelized T1/E1, T2/E2, T3/E3. The popup topics to which they link are already present, but inaccessible in card.hlp.
PA-8CT1 (8 T1 ports)
PA-8CE1 (8 E1 ports channelized, BRI, or non-framed)
PA-4CT1-CSU (4 T1 ports)
PA-8CT1-CSU (8 T1 ports channelized, fractional, or BRI)