Hardware Reliability - Avaya Secure Router 4134 Hardware Installation

Hardware reliability

This section provides information about the reliability of the Avaya Secure Router 2330/4134
hardware. This section uses the following terms:
• failures in time (FIT)—The number of failures for each billion (10
hours.
• mean time between failures (MTBF)—The average value of the time intervals between
successive outages of the system. This average value is calculated from, and based on,
a large population of nominally identical items.
The following table provides information for the expected reliability of Secure Router 4134
hardware in terms of FIT and MTBF.
Important:
Ensure you install the Secure Router 2330/4134 and its components correctly and operate
the unit within the intended environment under specified conditions. The failure rate and
MTBF values in the following table do not include failure caused by software or erroneous
human action.
Table 62: Secure Router 4134 reliability
Hardware
Main board
VPN
PVM
Fan tray module
Non-PoE 250 W AC power
supply module
PoE 660 W AC power supply
module
250 W DC power supply
module
1-port T1/E1 Small Module
2-port T1/E1 Small Module
2-port ISDN BRI ST Small
Module
2-port ISDN BRI U Small
Module
1-port Serial Small Module
Installation — Hardware Components
Failure rate
5 107 FITs
515 FITs
744 FITs
8 208 FITs
2 181 FITs
8 460 FITs
1 389 FITs
370 FITs
484 FITs
582 FITs
564 FITs
402 FITs
9
) accumulated device
MTBF
195 780 hours
1 940 558 hours
1 344 086 hours
121 829 hours
458 377 hours
118 191 hours
719 672 hours
2 702 372 hours
2 062 556 hours
1 717 202 hours
1 771 934 hours
2 485 181 hours
August 2013 117