4RF Aprisa XE User Manual - page 136
Cross Connections | 135
For each port that you want to put into service, choose the required mode (either Unframed or
Framed):
Unframed mode
Leave the Framed checkbox unticked.
Select the required Data type from the drop-down list E1 or T1.
Local drop and insert connections are not possible between Unframed E1 / T1 ports.
Framed mode
Tick the Framed checkbox.
Select the required framed mode from the drop-down list:
Local drop and insert connections are possible between framed E1 ports on the same interface card or
E1 ports on different interface cards.
Local drop and insert connections are possible between framed T1 ports on the same interface card or
T1 ports on different interface cards.
Local drop and insert connections are not possible between framed E1 ports and framed T1 ports.