Hello Amber & Sarosh
You have to add these lines below into /etc/osmocom/openbsc.cfg right after trx0 configuration
trx 1
rf_locked 0
arfcn 184 (set the right ARFCN for you here )
nominal power 23
max_power_red 0
rsl e1 tei 0
timeslot 0
phys_chan_config TCH/F
timeslot 1
phys_chan_config TCH/F
timeslot 2
phys_chan_config TCH/F
timeslot 3
phys_chan_config TCH/F
timeslot 4
phys_chan_config TCH/F
timeslot 5
phys_chan_config TCH/F
timeslot 6
phys_chan_config TCH/F
timeslot 7
phys_chan_config TCH/F
And add into etc/osmocom/osmo-bts.cfg
restart services: sudo sv restart osmo-trx osmo-bts osmo-nitb
Regarding trx band dividing, theoretically it might possible but we haven't tested that
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