
ISDN Interfaces
5-2
Strata CTX I&M September 2002
Strata CTX ISDN Reference Model
A block diagram of the Strata CTX ISDN PCBs and reference points is provided in
Figure 5-1
ISDN Reference Model
CTX
(NT2)
R
S
T
R
SLT
DKT
TE-1-S
(Voice or Data)
SLT
TA-S
RSTU
PDKU
RBSU/RBSS
(NTs
(P-MP)
RBSU
RPTU (TE)
NT1
(NT1)
Telco-
supplied
Jacks
R
,
T
,
S
, and
U
are ISDN standard reference points
Customer Premises Equipment
Public Switched Telephone Network
(PSTN)
5432
PC
P-P = Point-to-Point
P-MP = Point-to Multipoint
(passive bus)
TE-1 = Terminal Equipment, Type 1
TA = Terminal Adapter
Demarcation Point
U
Summary of Contents for Strara CTX Series
Page 10: ...Contents viii Strata CTX I M September 2002 ...
Page 14: ...Introduction xii Strata CTX I M September 2002 ...
Page 52: ...Strata CTX Configuration 1 38 Strata CTX I M September 2002 ...
Page 176: ...ISDN Interfaces 5 28 Strata CTX I M September 2002 ...
Page 278: ...Peripheral Installation 8 32 Strata CTX I M September 2002 ...