Maintenance Guide Part 2

NeTIS MAINTENANCE GUIDE – Version 1.1 70/139
8.1.1 S ETTINGS
Communications between the NeTIS-N SWITCH and the NeTIS-B BSs are carried out on the
ITs.
The IT number is configured identically on both sides of the link and must be between 1 and
30.
8.1.1.1 IT configuration on the BS
On the BS side you declare the IT on a DIP switch placed behind the BS:
They make it possible to define the type of link with the switch and the time slot number used
for a G703 link
The left switch is used to select the type of link:
G703 link at 2Mb/s in the top position
V11 link in the bottom position
The 5 switches to the right are used to select the IT number used by the base station on the
2Mb/s channel (lower weight to the right, level '1’ at the bottom).
The IT 0 for the 2Mb/s channels is not accessible (synchronisation IT)
IT 16 can be used if the link operator authorises.
G703 IT
V11
V11 interface at 64 Kb/s
G703 interface at 2Mb/s, IT n° 1
G703 interface at 2Mb/s, IT n° 2
G703 interface at 2Mb/s, IT n° 15