
ISDN Overview
117353-B Rev. 00
4-7
Figures 4-4 and 4-5 show two ISDN networks with functional groups and
reference points.
Figure 4-4. Reference Points and Functional Groups for Devices
Figure 4-5. Reference Points and Functional Groups for Non-ISDN
Devices
Digital line
SU
TE1 NT1
/T
Router with
ISDN/BRI
module
ISDN
DS0010A
Non-ISDN router
Digital line
U
NT1
TA
R
S/T
ISDN
DS0011A
Comentários a estes Manuais