Nortel-networks 1000M Manual de usuario Pagina 303

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Description 303
Remote TTY
Survivable IP remote TTY The three Serial Data Interface (SDI) ports
on the Small System Controller (SSC) card of an IP Expansion Cabinet or
Chassis are available for use as additional system remote TTYs.
If the IP Expansion Cabinet or Chassis is configured for Survivability, the
SDI ports of the IP expansion SSC can be used during survival mode. In this
mode, they function as a TTY connected to a stand-alone Small System.
However, the TTY has no access to either LD 43 or LD 143. When in
survival mode, the SDI ports of the IP expansion cannot be used to access
the Main Cabinet or Chassis. Refer to Table 44 "SDI port numbering" (page
303) for SDI port numbering.
Table 44
SDI port numbering
Cabinet or chassis
Normal mode
Survival mode
Main
0, 1, 2 0, 1, 2
IP Expansion 1
3, 4, 5 0, 1, 2
IP Expansion 2
6, 7, 8 0, 1, 2
IP Expansion 3
9, 10, 11 0, 1, 2
IP Expansion 4
12, 13, 14 0, 1, 2
Special text, which is displayed on the TTY of the IP Expansion Cabinet or
Chassis, indicates when the IP Expansion Cabinet or Chassis is operating in
survival mode. This text informs the technician of the difference between the
remote TTY’s access to the Main Cabinet or Chassis in normal mode and
the IP Expansion Cabinet or Chassis in survival mode. The text displayed
prior to login is as follows:
OVL111 0000 IDLE
TY 00 SCH MTC BUG 21:44
SURVIVAL MODE
The text displayed on the TTY of the IP Expansion Cabinet or Chassis after
login is as follows:
TTY 00 LOGGED IN 21:44 3/10/1999 SURVIVAL MODE
OVL000 SURVIVAL MODE
Database synchronization
During survival mode, survivable IP Expansion Cabinets or Chassis use
a copy of the database that was configured at the main and previously
downloaded to the survivable IP Expansion Cabinet or Chassis. Use
the Invoke Datadump Program (EDD) command at the Main Cabinet or
Chassis, or upon startup in normal mode, to download the database.
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Small System Installation and Commissioning
NN43011-310 01.04 Standard
Release 5.0 13 May 2008
Copyright © 2008, Nortel Networks
.
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