Nortel Communication Server 1000S Installation And Configuration Manual page 56

Page 56 of 120 Configuring ISDN BRI hardware
Table 13
Hardware requirements for ISDN BRI trunking
Hardware
MISP circuit card
SILC circuit card
UILC circuit card
Clock controller
Network
termination
553-3001-218 Standard 2.00
Product code Description
NTBK22 The MISP card (NTBK22) is specific to Small Systems
and CS 1000S systems.It performs Data Link (Layer 2)
and Network (Layer 3) processing associated with the
OSI protocol.
NT6D70AA -48V North American S/T interface line card
NT6D70BA -40V International S/T interface line card
NT6D71 U interface line card
A clock controller is required in every cabinet or Media Gateway 1000S
(MG 1000S) equipped with a digital trunk card.
NTAK20AB Stratum 3 clock controller daughterboard
NTAK20BB Stratum 4 clock controller daughterboard
Required for conversion from a U to and S/T interface.
ISDN network termination unit (NT1), including NT1
standard power supply. Two cables are provided with
the NT1 power supply unit:
• 178 mm (7 in.) cable for connection between the
• captive power cord for connection to an AC power
September 2004
power supply and the NT1 unit
outlet