Nortel DMS-100 Series Maintenance Manual page 78

1-66 Maintenance overview
Line concentrating module (LCM) REX test scheduling
Scheduling of SREX tests for LCMs is controlled by table REXSCHED.
The LCM_REX_TEST task SREX can be executed concurrently in
multiples of four and simultaneously with REX tests of XPMs. Conflicts
arise when an XPM scheduled for REX testing is the host of an LCM
scheduled for REX testing. See the following figure for a depiction of
SREX scheduling.
SREX scheduling
Note 1: REX tests can be running on LCM 0, LCM 1, RLCM-EDC and
Note 2: REX tests could not be running on LCM 2 through LCM 7 or the
Feature AF3234 provides the following REX test enhancements for LCM
peripherals and its variants:
297-8381-550 Standard 02.02 April 1999
LTC+
LCM 0
1
RLCM-EDC
concurrently with REX tests running on the LGC.
RLCM if a REX test was running on the LGC.
LCM REX test
MAP command for manual REX test
fault indicators
REX test maintenance record
MAP commands to access REX test failures
Network
RLCM
LGC
LCM 2
7