Avaya Definity SI - Page 1765

ISDN-TRK (DS1 ISDN Trunk)
Issue 4 May 2002
10-979555-233-123
Figure 10-57. DS1 ISDN Trunk Interactions (24-channel interface)
Figure 10-58. PRI Over PACCON DS1 ISDN Trunk Interactions (24-channel interface)
(PORT 1)
TDM
BUS
SIGNALING
(PORT 24)
(PORT 23)
VOICE OR DATA
VOICE OR DATA
(PORT 2)
VOICE OR DATA
ISDN-LNK
ISDN-TRK
ISDN-TRK
ISDN-TRK
PI-LINK
PROCESSOR
(TN773)
PI
CIRCUIT
PACK
(TN765)
DS1/UDS1
CIRCUIT
PACK
INTERFACE
Packet Bus
D-Channel
B-Channels
TDM Bus
Processor
(TN786)
Packet
Control
Circuit
Pack
(TN778)
UDS1
Interface
Circuit
Pack
(TN464*)
ISDN-TRK
(B-Channel)
Voice or Data
(Port 1)
ISDN-TRK
(B-Channel)
Voice or Data
(Port 2)
ISDN-PLK
(D-Channel)
Primary Signaling
Link
(Port 24)
ISDN-TRK
(B-Channel)
Voice or Data
(Port 23)
*TN464 C or later
24-Channel