Lucent Technologies R5SI Figure 10-50. NFAS Duplex ISDN-PRI Over PACCON Signaling Group (24 Channel)

DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page10-800ISDN-SGR (ISDN-PRI Signaling Group)
10
Figure 10-50. NFAS Duplex ISDN-PRI Over PACCON Signaling Group (24
Channel)
PacketB us
PacketB us
D-Channel
D-Channel
TDMBus
Processor
(TN786)
Packet
Control
Circuit
Pack
(TN778)
UDS1
Interface
Circuit
Pack
(TN464*)
DS1/UDS1
Interface
Circuit
Pack
(TN464*)
UDS1
Interface
Circuit
Pack
(TN464*)
B-Channels
B-Channels
B-Channels
*TN464C or later
Physical connection
Logicalconnection
ISDN-TRK
(B-Channel)
Voice or D ata
(Port1)
ISDN-TRK
(B-Channel)
Voice or Data
(Port24)
ISDN-TRK
(B-Channel)
Voice or D ata
(Port1)
ISDN-TRK
(B-Channel)
Voice or Data
(Port 2)
ISDN-PLK
(D-Channel)
Primary Signaling
Link
(Port24)
ISDN-TRK
(B-Channel)
Voice or Data
(Port23)
ISDN-TRK
(B-Channel)
(Port1)
ISDN-TRK
(B-Channel)
(Port 2)
ISDN-PLK
(D-Channel)
Secondary Sign aling
Link
(Port24)
ISDN-TRK
(B-Channel)
(Port23)