52
Dell PowerConnect B-Series TI24X Hardware Installation Guide
53-1002265-01
Device specifications
A
Power source interruptions
shows how the PowerConnect B-Series TI24X protects against power surges and power
drops.
Mean Time between Failure
lists the Mean Time between Failure (MTBF) for the PowerConnect B-Series TI24X. The
MTBF is the average estimated time, in hours, before a hardware failure may occur.
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
Serial port pin and signalling details
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
TABLE 10
Device power surge and drop protection
Property
Protection Mechanism
Power surge
MOV and Spark Gap protection
Power drop
The PSU will shut down after AC loss >20ms
Maximum power draw
300 watts
TABLE 11
MTBF for the PowerConnect B-Series TI24X
Configuration or Module
Temperature
MTBF (hours)
PowerConnect B-Series TI24X
(40°C) 104°F
114,572
5
9
6
1
Pin Assignment
DB-9 male
Pin Number
Switch Signal
1 Reserved
2 TXD
(output)
3 RXD
(input)
4 Reserved
5 GND
6 Reserved
7 CTS
(input)
8 RTS
(output)
9 Reserved
