Nortel DMS-100 Series Maintenance Manual page 364

12-2 Index
L
LAPD 2-1
LCM
critical, clearing 5-2
major, clearing 5-15
minor, clearing 5-57
limitations
hardware 1-52
software 1-52
line card, Replacing, in an RLCC–EDC 6-127
line concentrating array (LCA)
block diagram, illustration 1-37
configuration 1-5
hardware, power converter card 1-5
line cards 1-35
line drawer, circuit card location, illustration
1-33
line drawers 1-33
bus interface card (BIC) 1-34
state display 1-33
states, illustration 1-34
ports 1-42
shelf layout, illustration 1-6
line concentrating module (LCM)
control cards 1-7
delay tolerant c–side messaging 1-11
digroup control card (DCC) 1-32
LCM processor 1-7
description 1-3
link access procedure on the D–channel. See LAPD
link control cards, interface to DS–1, illustration
1-40
M
Maintenance, routine
returning cards 11-8
testing power converter 11-5
maintenance
automatic 1-55
audits 1-55
checksums 1-56
drawer testing 1-61
DS–1 interface card 1-56
LCC takeover 1-60
LCM drawer 1-56
LCM LTC speech path diagnostics enhance-
ments 1-57
LCM REXTEST 1-62
link control card 1-55
LTC P–side link diagnostic 1-58
297-8381-550 Standard 02.02 April 1999
overload resources 1-58
RMM maintenance 1-60
speech path diagnostic for the LTC 1-57
takeback 1-60
takeover capability 1-59
testflow 1-63
routine, testing wrist strap grounging cords
11-12
manual maintenance
drawer maintenance 1-71
escalation to 1-70
alarm conditions 1-70
subscriber lines 1-71
Multiplex facility transmission, equipment 1-48
R
recovery procedures, RLCM–EDC 4-2
Remote Line Concentrating Module (RLCM)
card replacement procedures, overview 6-1
DS30A to DS–1 interface, illustration 1-32
line equipment numbers (LENs)
examples 1-36
parts 1-35
Remote line controller cabinet (RLCC), cabinet,
shelf, and panel arrangement, illustration 1-4
remote maintenance module (RMM)
connection with host 1-44
control card 1-46
description 1-43
maintenance and service cards, provisionable
1-46
power converters 1-46
shelf configuration 1-44
shelf layout, illustration 1-45
RLCC, cabinet, shelf, and panel arrangement,
illustration 3-2
RLCM–EDC
diagnostic tests 8-5
automatic line testing (ALT) 8-5
lines maintenance 8-5
manual line testing 8-8
station testing 8-7
faults
circuit pack 8-3
DS–1 link 8-4
isolation tests 8-3
line card 8-4
line drawer 8-3
load file mismatch 8-5
locating and clearing 8-3