50
Chapter 7 ISDN
N0060609 0.3
N0060609 0.3
Figure 9
S reference point
T Reference Points
The T reference point connections provide a point-to-point digital connection between the ISDN
network and BCM. Refer to
.
A T loop provides lines that can be shared by all BCM telephones, peripherals and applications,
and ISDN TE.
Figure 10
T reference point
A T loop can be used in combination with an S loop to provide D-packet service for a point-of-sale
terminal adapter (POSTA) or other D-packet device. D-packet service is a 16 kbps data
transmission service that uses the D-channel of an ISDN line. The T and S loops must be on the
same physical module.
Inspect
FORW
ARD C
allers
Inspect FORWARD Callers
MXP
MXP
Inspe
ct FOR
WARD
Callers
Inspect FORWARD Callers
MXP
MXP
Insp
ect FO
RWAR
D Calle
rs
Inspect FORWARD Callers
MXP
MXP
point-to-point
ISDN TE
ISDN TE
ISDN TE
(with terminating resistors)
ISDN TE
(with terminating resistors)
BCM
s
s
T
ISDN
BCM
network
connection
Summary of Contents for N0060609
Page 4: ...4 Task List N0060609 0 3 N0060609 0 3 ...
Page 8: ...8 Contents N0060609 0 3 N0060609 0 3 ...
Page 16: ...16 Chapter 1 Getting started with BCM N0060609 0 3 N0060609 0 3 ...
Page 22: ...22 Chapter 3 Installing an analog station media bay module ASM N0060609 0 3 N0060609 0 3 ...
Page 28: ...28 Chapter 4 Installing the analog terminal adapter N0060609 0 3 N0060609 0 3 ...
Page 36: ...36 Chapter 5 Using an analog telephone N0060609 0 3 N0060609 0 3 ...
Page 46: ...46 Chapter 6 Telephone button icons N0060609 0 3 N0060609 0 3 ...
Page 54: ...54 Chapter 7 ISDN N0060609 0 3 N0060609 0 3 ...
Page 60: ...60 Chapter 8 IP telephony N0060609 0 3 N0060609 0 3 ...
Page 68: ...68 Chapter 9 Registering Nortel 20XX and 11XX IP telephones N0060609 0 3 N0060609 0 3 ...
Page 72: ...72 Chapter 10 Relocating telephones N0060609 0 3 N0060609 0 3 ...
Page 78: ...78 Appendix C DTM wiring chart N0060609 0 3 N0060609 0 3 ...
Page 84: ...Index 84 BCM 4 0 Telephony Device Installation Guide ...