Failure Rates - Meridian Nortel 1 Option 11C Technical Reference Manual

Failure rates

Table 58
Failure rates for Option 11C system components (Part 1 of 2)
NT code
NTAK02
NTAK04
NTAK10
NTAK20
NTBK22
NTBK50
NTBK51
NTDK16
NTDK22
NTDK23
NTDK24
NTDK25
NTDK26
NTDK72
NTDK78
NTDK79
NTDK80
NTDK81
The failure rates in Table 58 are for Option 11C system components.
Note: Rates for circuit cards are based on 40°C ambient temperature.
SDI/DCH circuit card
AC/DC power supply
MISP circuit card
48 port Digital Line Card
10 m Fiber Daughterboard
10 m Receiver card
3 km Fiber Daughterboard
3 km Receiver card
Upgrade Daughterboard
DC power supply
AC/DC power supply
3 km Fiber Daughterboard
3 km Receiver card
Software Daughterboard
Description
2.0Mb DTI
clock controller
2.0Mb PRI
DDCH
Option 11C and 11C Mini
Spares planning Page 191 of 544
Failure rate per 10
Technical Reference Guide
6
hrs.
2.9
3.6
2.4
.54
7.66
3.4
1.22
1.8
2.19
2.15
2.19
2.15
0.46
3.6
3.6
2.19
2.15
0.83