1024 NTDK20 Small System Controller card
dongle (NT_STD). This maintains the requirement of a single keycode for
each system. Refer to Figure 285 "NTDK20 SSC card and expansion
daughterboard in the Call Server" (page 1019) for the location of the device.
This security scheme provides the following:
•enables the system to operate as asingle system when all links are up.
•enables the Media Gateway to continue operating with its existing
configuration in the eventof a failure of the Call Ser ver,or the failure of
the link to the Call Server from the Media Gateway.
•preventsusers from configuring or using unauthorized TNs or features.
The Media Gateway security device provides the followingcapabilities for
the Media Gateway :
•System software can be installed but no calls can be processed or
features activated until communication with the Call Server has been
established and a match between the security ID of the Call Server and
the Media Gateway has been confirmed.
•System software can be upgraded.
Note: Local data dump, LD 43 commands, and LD 143 commands
are not permitted.
SDI ports The NTDK20 SSC card in both the Call Server and the Media Gateways
contains three SDI ports used to connect on-site terminals or remote
terminals through a modem. Table 425 "Default SDI port settings on the
NTDK20 SSC card" (page 1024) shows the port default settings.
Table425
Default SDI port settings on the NTDK20 SSC card
TTY Port Baud rate Data bits Stop bits Parity Use
0Set by a DIP
switch 81
None MTC/SCH/
BUG
1 1200 8 1 None MTC/SCH/
BUG
2 1200 8 1 None MTC/SCH/
BUG
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright© 2003-2008, Nor tel Networks
.