Power Source Interruptions; Mean Time Between Failure; Pinouts And Signalling - Dell PowerConnect B-TI24x Hardware Installation Manual

A
Device specifications

Power source interruptions

Table 10
drops.
TABLE 10
Property
Power surge
Power drop
Maximum power draw

Mean Time between Failure

Table 11
MTBF is the average estimated time, in hours, before a hardware failure may occur.
TABLE 11
Configuration or Module
PowerConnect B-Series TI24X

Pinouts and signalling

This section lists the pinouts for the DB-9 connector and RJ-45 port jacks.
Serial (Console) port pinouts
The Console port is a standard male DB-9 connector, as shown in
FIGURE 26
Most PC serial ports also require a cable with a female DB-9 connector. Terminal connections will
vary, requiring either a DB-9 or DB-25 connector, male or female.
Serial cable options between the PowerConnect B-Series TI24X and a PC or terminal are shown in
Figure
52
shows how the PowerConnect B-Series TI24X protects against power surges and power
Device power surge and drop protection
Protection Mechanism
MOV and Spark Gap protection
The PSU will shut down after AC loss >20ms
300 watts
lists the Mean Time between Failure (MTBF) for the PowerConnect B-Series TI24X. The
MTBF for the PowerConnect B-Series TI24X
Serial port pin and signalling details
Pin Assignment
DB-9 male
27.
Temperature MTBF (hours)
(40°C) 104°F 114,572
Figure
Pin Number
1
2
3
4
5
6
7
8
9
Dell PowerConnect B-Series TI24X Hardware Installation Guide
26.
Switch Signal
Reserved
TXD (output)
RXD (input)
Reserved
GND
Reserved
CTS (input)
RTS (output)
Reserved
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