ISDN Interfaces
BRI U Overview
Strata DK I&M 6/00
16-3
ISDN
Inte
rface
s
Strata DK ISDN Reference Model
A block diagram of the DK ISDN PCBs and reference points is provided in
.
Figure 16-1
ISDN Reference Model
System Capacity of ISDN Circuits
The capacities of ISDN lines and stations for all DK systems are shown in
.
Table 16-1
Maximum Number of RPTU PCBs, Lines
Processor
Max. PCBs
Max. B
Channels
(Lines)
DK40i
1
12
RCTU
1
16
RCTUBA3/BB4
2
47
RCTUC3/D4
6
141
RCTUE3/F4
8
188
B1CAU
2
32
B2CAU/BU, B3CAU/BU
6
120
B5CAU/BU
8
188
DK40i, DK424, DK424i
(NT2)
R
S
U
T
U
ISDN
SWITCH
Demarcation Point
R
SLT
DKT
EKT
TE-1-S
(Voice or Data)
SLT
TA-S
TE-1-U
(Voice or Data)
RSTU
PDKU
PEKU
RBSU/RBSU
TBUS (NT)
(P-MP)
RBUU/RBSU
TBUU (NT-1)
RBSU
TBUS (TE)
RPTU (TE)
RBUU/RBUS
TBUU (LT)
(P-P)
NT1
CSU
(NT1)
RJ48C
8-wire
RJ48C
8-wire
RJ48C
8-wire
Loop
Termination
Loop
Termination
Office
Channel
Unit
BRI
BRI
PRI
Office Channel Unit, or OCR, is
the CO Channel Service Unit
Dealer-
supplied
CSU and NT1
Telco-
supplied
Jacks
R
,
T
,
S
, and
U
are ISDN standard reference points
Customer Premises Equipment
Public Switched Telephone Network
(PSTN)
4695
PC
R
SLT
TA-U
PC
P-P = Point-to-Point
P-MP = Point-to Multipoint (passive bus)
TE-1 = Terminal Equipment, Type 1
TA = Terminal Adapter
Summary of Contents for Strata AirLink DK40i
Page 22: ...Introduction Related Documents Media xx Strata DK I M 6 00 ...
Page 48: ...DK14 Installation DK14 Wiring Diagrams 1 26 Strata DK I M 6 00 ...
Page 220: ...DK424 Installation Remote Cabinet Installation Instructions 5 68 Strata DK I M 6 00 ...
Page 262: ...DK424i Configuration Primary Reserve Power Cabinet Hardware 6 42 Strata DK I M 6 00 ...
Page 450: ...Universal Slot PCB Wiring Option Interface PCB Wiring Diagrams 10 42 Strata DK I M 6 00 ...
Page 592: ...Peripheral Installation Enhanced 911 Service E911 12 84 Strata DK I M 6 00 ...
Page 616: ...ACD Installation Spectrum Electronic Wall Boards 13 24 Strata DK I M 6 00 ...
Page 634: ...Fault Finding Fault Isolation Flowcharts 14 18 Strata DK I M 6 00 ...
Page 704: ...ISDN Interfaces ISDN Disconnect Cause Code 16 54 Strata DK I M 6 00 ...