Pinout Assignments
7450 ESS-7 Page 157
Figure 47 specifies Alarm port connector pinouts. Examples of critical alarms include a fan
failure, a power supply over temperature condition, and a power supply failure. The major alarm
LED can illuminate when a power supply is removed. There are no conditions defined for minor
alarms.
Table 52 displays the 10/100 Management Ethernet port pin assignments
Table 51: Alarm Port - DB9 Female
Pin Signal Direction Description
1 MAJ_COMMON Output Major alarm common
2 MAJ_NORM_CLOSED Output Major alarm normally closed
3 CRIT_NORM_OPEN Output Critical alarm normally open
4 CRIT_COMMON Output Critical alarm common
5 CRIT_NORM_CLOSED Output Critical alarm normally closed
6 MIN_NORM_OPEN Output Minor alarm normally open
7 MIN_COMMON Output Minor alarm common
8 MIN_NORM_CLOSED Output Minor alarm normally closed
9 MAJ_NORM_OPEN Output Major alarm normally open
Table 52: 10/100 Management Ethernet Port - RJ45 Female
Pin Signal Direction Description
1 TX+ Output Differential transmit data - positive
2 TX- Output Differential transmit data - negative
3 RX+ Input Differential receive data - positive
4 NC - Not connected
5 NC - Not connected
6 RX- Input Differential receive data - negative
7 NC - Not connected
8 NC - Not connected
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