Chapter 2 Q-SIG FEATURES
2-3
NWA-088654-001 Rev.1.0
94ch2001.fm
SYSTEM OUTLINE
Physical Interface of 24PRT
On the Q-SIG system with 24PRT, a 1.5 Mbps primary rate interface is used for the interface trunk.
The PRT provides a built-in D-channel handler. A single data link channel can control a maximum of 23
B-channels.
Physical Interface of 24PRT
Physical Interface of 30PRT
On the Q-SIG system with 30PRT, a 2 Mbps primary rate interface is used for the interface trunk.
The PRT provides a built-in D-channel handler. A single data link channel can control a maximum of 30
B-channels.
Physical Interface of 30PRT
Physical Interface
: D-channel
: B-channel
PRT
PBX
PRT
Physical Interface
Maximum 23B + D
Maximum 23B + D
Physical Interface
: D-channel
: B-channel
PRT
PBX
PRT
Physical Interface
Maximum 30B + D
Maximum 30B + D