In Motorola BSS
we used 1 RSL(1 Abis TS) per 1 BTS
and 1 CTU(TRX) per 1 RTF(2 Abis TS)
Try to compute
1E1(Abis) = 32 TS – 1 TS(sync. TS0)
You have 31 TS to use in abis.
1 TS for RSL and 30 TS for RTF
1 Abis maximum 1BTS with 15 CTU(TRX)
Reply To: mapping of E1 channels