DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects

3-1032TBRI-PT (TN2185 ISDN Trunk-Side BRI Port)

3

Figure 3-43. Integrated Trunk-Side BRI, ISDN Interface Reference points

ISDN Interface Reference Point definitions:

LT Logical Terminal

V Primary Rate user/network (asymmetric al) trunk interface. The ECS

is capable of ac ting as the user or as the network side of this 1.544 -

or 2.048-Mbps interfac e.

R Interface between Terminal Equipment and Network Termination

S Basic Rate network-side 4-wire line interfac e

S/T 4-wire Basic Rate connection to a Network Termination1.

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
PBXPBX
LT TE
TE TE
cydfisdnRPY 072397
NT2 LT
LT
NT2
NT2
Termi nal
Adapter
NT2
S/T
TE
TE
NT1
VPRI
U
U
T
S/T
T
S
S
UT
R
NT1
NT1
ISDNInterface Referenc e Points
1
2
3
4
5