When planning for the AM, you need to consider the priority planning of E1. Which of the following options is the planning principle of E1 priority (Multiple choice)

When planning for the AM, you need to consider the priority planning of E1. Which of the following options is the planning principle of E1 priority (Multiple choice)

A. The E1 priority function is mainly used in scenarios where Hybrid microwaves transmit IMA services. At this time, the guaranteed E1 capacity should be equal to the E1 capacity required by the IMA to transmit high-priority services; the full-capacity E1 capacity should be equal to the E1 capacity used by the IMA.

B. When the E1 priority function is enabled, E1 service bandwidth at full capacity is lower than and equal to full capacity service bandwidth minus guaranteed capacity service bandwidth add guaranteed capacity E1 service bandwidth.

C. The priority of the E1 service is independent of the slot number of the IF board it occupies. Instead, the priority is specified when the cross-connection of the E1 service is configured. E1 priority has two types: high and low.

D. The priority set when an E1 service passes through a multi-hop microwave link can be different.

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Answer: ABC