4RF Aprisa XE User Manual - page 135
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User Manual
Manual is about: 4RF Aprisa XE fixed point-to-point digital radio link
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Cross Connections | 134
QJET cross connections
Expand the E1 / T1 display by clicking on the relevant icons.
The QJET card can operate in several modes allowing you greater flexibility in tailoring or grooming
traffic. The Data type selection are Off, E1, or T1 rates.
Note: An unframed E1 / T1 port requires 5 bits (or 40 kbit/s) of overhead traffic per port for
synchronization.
An unframed E1 port with 2048 kbit/s of traffic requires 2088 kbit/s of link capacity.
An unframed T1 port with 1544 kbit/s of traffic requires 1584 kbit/s of link capacity.