272 NT5D33 and NT5D34 Lineside E1 Interface cards
Figure 58
CAS+ compliance
Key Benefits of using CAS+ signaling (ELEI mode) over traditional A/B bit
signaling (LEI mode) include:
1. Calling Line ID Presentation (CLIP)
When an incoming call over the TDM/IP network or a CS 1000 originated
call is directed towards the CAS+compliant system, Calling Line ID can
be provided overthe CAS+ interface. This is assuming that the incoming
call has the CLID without any presentation restrictions.
2. Redirecting Line ID Presentation (RLIP)
When an incoming call over the TDM/IP network or a CS 1000 originated
call which has undergone redirections is directed towards the CAS+
compliant system, Redirecting Line ID can be provided over the CAS+
interface. This is assuming that the incoming call has the Redirecting
Line ID without any presentation restrictions.
3. Message waiting indication (MWI)
Message waiting indication can be provided over the CAS+ interface.
Electrical specifications
Table112 "LEI card - line interface unit electrical characteristics" (page
273) provides a technical summary of the E1 line interface. Table 113 "LEI
card - power required" (page 273) lists the maximum power consumed
by the card.
E1 channel specifications
Table112 "LEI card - line interface unit electrical characteristics" (page
273) provides specifications for the 30 E1 channels. Each characteristic
is set by a dip switch. "Installation and Configuration" (page 274) for a
discussion of the corresponding dip switch settings.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright© 2003-2008, Nor tel Networks
.