Nortel Networks Circuit Card - Manual (Page 261)

NT5D33 and NT5D34 Lineside E1 Interface cards Page 261 of 906
Circuit Card Description and Installation
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
Table 93 provides a technical summary of the E1 line interface. Table 94 on
page 262 lists the maximum power consumed by the card.
E1 channel specifications
Table 93 provides specifications for the 30 E1 channels. Each characteristic
is set by a dip switch. See “Installation and Configuration” on
page 263 . for
a discussion of the corresponding dip switch settings.
Table 93
LEI card — line interface unit electrical characteristics
Characteristics Description
Framing CRC-4 or FAS, only
Coding AMI or HDB3
Signaling Loop or ground start
A/B robbed-bit
Distance to LTU 0-199.6 meters (0-655 feet)