diff options
| -rw-r--r-- | doc/manuals/gb/gb-startup.msc | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/manuals/gb/gb-startup.msc b/doc/manuals/gb/gb-startup.msc index e69de29b..654a3d77 100644 --- a/doc/manuals/gb/gb-startup.msc +++ b/doc/manuals/gb/gb-startup.msc @@ -0,0 +1,24 @@ +msc { + hscale="1.2"; + sgsn [label="SGSN"], pcu [label="PCU"], bts [label="BTS"], bsc [label="BSC"]; + + |||; + bts box bsc [label="A-bis connection"]; + pcu <: bts [label="Config. parameters"]; + pcu rbox pcu [label="listen on UDP socket"]; + pcu note sgsn [label="send to SGSN UDP (port 23000)"]; + pcu => sgsn [label="NS RESET"]; + pcu <= sgsn [label="NS RESET ACK"]; + ...; + pcu => sgsn [label="NS UNBLOCK"]; + pcu <= sgsn [label="NS UNBLOCK ACK"]; + pcu box sgsn [label="NS link established"]; + ...; + pcu => sgsn [label="BVC RESET"]; + pcu <= sgsn [label="BVC RESET ACK"]; + ...; + pcu => sgsn [label="BVC UNBLOCK"]; + pcu <= sgsn [label="BVC UNBLOCK ACK"]; + pcu box sgsn [label="BSSGP link established"]; + |||; +} |