ascom Ascotel 2025/2045/2065
HBT_20321104_01/B0_en Networking the Systems 1.37
In special cases the DSS1 protocol can also be used for leased-line networking and
the QSIG / PSS1 protocol for virtual networking.
[1] DSS1 protocol in a leased-line network
[2] QSIG / PSS1 protocol in a virtual network
Fig. 1.24: Protocols used in special cases
If different topologies are combined within a PISN, then different protocols are
normally also used.
Fig. 1.25: Combined network: virtual connections with DSS1, fixed connections with
QSIG / PSS1
DSS1 DSS1DSS1
haz0659aaena0
PINX 1 PINX 2
Public Network
(QSIG) QSIGQSIG
haz0660aaena0
PINX 1 PINX 2
Public network
[1] [2]
QSIG
(DSS1) DSS1DSS1
PISN
haz0661aaena0
PINX 1
PINX 1 PINX 2
PINX 3
PINX 2
PINX 3
Public network