Answer / sumit

The number of E1/T1 links required per site
with Abis Optimization depends on site configurations
and traffic mix. In T1 markets,
one RBS 2106/2206 with up to 12 TRXs can
cover three sectors with only one T1. With
“classic” Abis, two T1s would be required for
this configuration.
In E1 markets, one E1 can support two
RBSs with up to 18 TRXs.

Answer / amit

15 TRX can use in 1 E1. cascading is the method to sharing the trx with other BTS. if BTS configration is 2+2+2 then you used 8 Trx remaining 7 TRX is available . so u can share the E1 for 7 Trx.

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