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TBRI-PT (TN2185 ISDN Trunk-Side BRI Port)
Issue 5 October 2002
1625
555-233-119
Figure 52.
Integrated Trunk-Side BRI, ISDN Interface Reference points
ISDN Interface Reference Point definitions:
LT
Logical Terminal
V
Primary Rate user/network (asymmetrical) trunk interface. The ECS
is capable of acting as the user or as the network side of this 1.544 -
or 2.048-Mbps interface.
R
Interface between Terminal Equipment and Network Termination
S
Basic Rate network-side 4-wire line interface
S/T
4-wire Basic Rate connection to a Network Termination
1
.
T
4-wire Basic Rate interface to a Network Termination.
2
TE
Terminal Equipment
CO
NT
2-Wire
NT
2-Wire
NT
2-Wire
NT
4-Wire
4-Wire
4-Wire
NT
2-Wire
NT
4-Wire
PBX
PBX
LT
TE
TE
TE
cydfisdn RPY 072397
NT2
LT
LT
NT2
NT2
Terminal
Adapter
NT2
S/T
TE
TE
NT1
V
PRI
U
U
T
S/T
T
S
S
U
T
R
NT1
NT1
ISDN Interface Reference Points
1
2
3
4
5
Содержание DEFINITY Server CSI
Страница 1: ...Maintenance for Avaya DEFINITY Server CSI Volumes 1 and 2 Release 1 2 555 233 119 Issue 5 October 2002...
Страница 6: ......
Страница 20: ...Contents 555 233 119 20 Issue 5 October 2002...
Страница 30: ...About this Book 555 233 119 30 Issue 5 October 2002...
Страница 944: ...Maintenance Objects 555 233 119 944 Issue 5 October 2002...
Страница 1397: ...MMI BD Issue 5 October 2002 1397 555 233 119 Figure 44 TN787 Multimedia Interface MMI Circuit Pack...
Страница 1409: ...MMI PT Issue 5 October 2002 1409 555 233 119 Figure 45 TN787 Multimedia Interface MMI Circuit Pack...
Страница 1891: ...VC DSPPT Issue 5 October 2002 1891 555 233 119 Figure 63 VC Circuit Pack DSP Port Local TDM Loopback Test...
Страница 1902: ...Maintenance Objects 1902 Issue 5 October 2002 Figure 65 VC Circuit Pack Summer Port Loopback Test...