Strata Ctx Isdn Reference Model - Toshiba Strara CTX Series Installation And Maintenance Manual

ISDN Interfaces

Strata CTX ISDN Reference Model

A block diagram of the Strata CTX ISDN PCBs and reference points is provided in
SLT
DKT
TE-1-S
(Voice or Data)
R
TA-S
SLT
PC
5432
TE-1 = Terminal Equipment, Type 1
TA = Terminal Adapter
Figure 5-1 ISDN Reference Model
5-2
CTX (NT2)
R
RSTU
PDKU
RBSU
S
RPTU (TE)
RBSU/RBSS
(NTs
(P-MP)
R, T, S, and U are ISDN standard reference points
P-P = Point-to-Point
P-MP = Point-to Multipoint
Customer Premises Equipment
Demarcation Point
T
U
NT1
(NT1)
Telco-
supplied
Jacks
Public Switched Telephone Network
(PSTN)
(passive bus)
Figure 5-1.
Strata CTX I&M September 2002