Nortel ICS Install Manual page 232

232 / Installing the cartridges
• LS/DS Global Analog Trunk Cartridges and CI Global
Analog Trunk Cartridges both support loop start external
lines.
• The Digital trunk Interface (DTI) supports both digital T1
and PRI lines. The DTI card can be configured to support
ISDN PRI. Systems running Profile 1 or 4 can support 1
off-core DTI module.
• The Loop Start Trunk Cartridge supports loop start
external lines.
• The E&M Trunk Cartridge supports E&M lines and
provides direct inward system access (DISA).
• The DID Trunk Cartridge supports direct inward dialing
lines.
• The BRI-ST card supports ISDN BRI S or T reference
point loops.
• The BRI-U2 and BRI-U4 cards support two or four ISDN
BRI U reference point loops, respectively.
• The Analog Extension Module (AEM), also known as an
Analog Station Module (ASM), connects up to eight
standard analog devices through eight ports connected to
the CCU through a fibre cable link.
Modular ICS 7.1 Installer Guide N0130943 02