18 Sep
2020
18 Sep
'20
11:22 p.m.
Hi Ivan,
On Fri, Sep 18, 2020 at 11:44:43PM +0300, Ivan Babanov wrote:
Can anybody share a working /etc/dahdi/system.conf
file?
as usual, it depends on your configuration. The RBS can be configured to do E1 or T1,
and in case of E1 it can be configured to do CRC4 or not. That needs to
reflect on your DAHDI side. Similarly, the E1 timing source (which is very critical, as
the DAHDI cards don't have a clock source stable enough for the RBS to be reliably
happy with)
1. Which signaling should be used? CAS? CCS? RBS?
2. There is the same thing with framing. hdb3?
For a E1 line with CRC4 enabled, you need:
span=1,1,0,ccs,hdb3,crc4
3. parameter "dslot=1,4" pointed in RBS2000
wiki looks wrong. dahdi_cnf
does not work with it at least now.
IIRC it's called 'dchan', not 'dslot'. But we configure that from
osmo-bsc now, so you can simply not specify any D-channels from
system.conf. Simply use "bchan=1-31".
--
- Harald Welte <laforge(a)osmocom.org> http://laforge.gnumonks.org/
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