ASCOM Ascotel 2025 System Manual page 71

ascom Ascotel 2025/2045/2065
Point-to-Point Connection without Direct Dial
Without direct dialling in, only one call number is available. The individual PBX
subscribers can only be reached indirectly via the number.
This variant is suitable above all for systems with primarily outgoing traffic.
NT1: Network Terminal
SLG: Subscriber Line Group
U/T: ISDN reference point
AD2: Digital user-network interface AD2
S: User-network interface S
a/b: Analogue user-network interface a/b
Fig. 1.7: Several basic accesses in point-to-point configuration, without direct dial number
Note:
Do not connect any terminals between the NT1 and the PBX.
1.16 System Interfaces
SLG
403 03 10
U
"
U
"
U
NT1
T
PBX
NT1
T
NT1
T
haz0320aaena1
AD2
S
a/b
HBT_20321104_01/B0_en