DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-718ISDN-SGR (ISDN-PRI Signaling Group)
3
Figure 3-23. ISDN-PRI Signaling Link Port Interactions (24 Channel -
TN767/464C)
For 32-channel interfaces, ports 1- 15 and 17-31 on the circuit p ack are used as
B-channels. The 16th port may be use d as a B-channel or as a D-cha nnel
depending on the type of Signaling Group used (see Figure 3-24).
Figure Notes
1. B- and D-channel messag es are
routed over the TDM Bus. For
additional reliability, a dup lex
D-channel can be ad ministered for
a signaling group and located on a
different TN464C (or higher) circuit
pack.
2. TN767B (or higher) or TN464C (or
higher)
Processor
(TN798)
Slot 1
DS1
Interface
circuit pack
TN767
T
D
M
b
u
s
2
(Port24)
Pimary
signalinglink
Voice o r dat a
(Port1)
Voice o r dat a
(Port23)
ISDN- TRK
(B-Channel)
ISDN- TRK
(B-Channel)
ISDN-PLK
(D-Channel)
cydfisd3 RPY 06129
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