Emergency Stand Alone Description - Nortel DMS-100 Series Maintenance Manual

3-10 PRLCM overview
•
The FSP has circuit breakers (CB) to distribute -48V power to shelves in the
RLCC cabinet. Refer to the following figure, "FSP shelf layout," and table
"FSP circuit breaker assignments," for CB power distribution, assignments,
shelf type and slot position, product engineering code (PEC) and equipment
supported.
Figure 3-5 FSP shelf layout
01 ABS
01 –48V fan 06
RG-0 05 33–26 47
CB1
Not to scale

Emergency stand alone description

The PRLCM with the ESA is a different configuration than the standard
PRLCM. Special hardware components are required in addition to the ESA
software. Therefore, the ESA configuration is treated separately in this
chapter.
Because the PRLCM is a remote configuration, there is always the chance that
the communication links between the PRLCM and the host site may be
damaged or severed and service interrupted. Therefore, the ESA feature
package has been designed for the PRLCM to provide stand-alone
call-processing ability in case communication with the host is lost. With the
297-8361-550 Standard 04.01 September 2000
This card controls the alarms and power for the NT6X53AA power
converter for unit 1 of the LCM and the NT2X70AA in slot position 22 of
the HIE.
NT0X91AE Converter Drive and Protection Circuit
This card controls the alarms and power for the NT6X53AA power
converter for unit 0 of the LCM, the NT2X70AA in slot position 25 of the
HIE, and the NT2X09AA/NT2X06BA in slot positions 17 and 20,
respectively, of the RMM.
Frame fail
08
Fan fail
Fan alm override
–48ABS bat ret
RG–1
TK–A 19 33–22 TK–B
CB9
01 +5V 05 06 +15V 10 11 –48V 15 RA R8
CAUTION
END
GND