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DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page 10-820ISDN-TRK (DS1 ISDN Trunk)
10
Figure 10-58. 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