Esa Manual Exit; Ltc Maintenance To Prevent Esa Mode - Nortel DMS-100 Series Maintenance Manual

If the process fails, the system makes the ESA processor SysB.

ESA manual exit

Operating company personnel can use the RTS command to perform a manual
exit from the ESA mode at the LCM MAP level. Perform a manual exit when
any of the following conditions exist:
• Both LCM units of the OPM are in a ManB state.
• The time-out value for the RLCM_XPMESAEXIT office parameter is set
to zero.
Note: To override a time-out value other than zero, manual-busy the
LCM units of the OPM at the LCM MAP level. This action starts a
manual exit. Use the FORCE option with the BSY command.
The manual exit sequence instructions are located in the ESA manual exit, in
this document.

LTC maintenance to prevent ESA mode

When both of the LTC (C-side peripheral) units are ManB, the system
interrupts communication between the OPM and DMS CC. When the system
interrupts communication between the OPM and the DMS CC, the OPM
enters ESA mode. The OPM enters ESA mode after the time-out period in the
RLCM_ESAENTRY_BADCSIDE office parameter expires. The following
warning message when you attempt to manually busy an LTC: This
action will take this PM and its subtending nodes out
of service.
Busy the OPM or ESA CC before you place the LTC in a ManB state. This
action makes sure that you do not place the OPM into the ESA mode.
DMS-100 Family OPM Maintenance Manual ISN07 (TDM)/SN07 (DMS) and up
ESA maintenance overview 4-31