Quick Start Manual

52 Dell PowerConnect B-Series TI24X Hardware Installation Guide
53-1002265-01
Device specifications
A
Power source interruptions
Table 10 shows how the PowerConnect B-Series TI24X protects against power surges and power
drops.
Mean Time between Failure
Table 11 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.
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
Figure 27.
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
96
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