Specifications

C
Zone 1 P10 connector pinout
143
Zone 1 P10 connector pinout
Table 42. Zone 1 contact assignments, P10
Contact Designation Description
Mating
sequence
1 Reserved Reserved not applicable
2 Reserved Reserved not applicable
3 Reserved Reserved not applicable
4 Reserved Reserved not applicable
5 HA0 Hardware Address Bit 0 Third
6 HA1 Hardware Address Bit 1 Third
7 HA2 Hardware Address Bit 2 Third
8 HA3 Hardware Address Bit 3 Third
9 HA4 Hardware Address Bit 4 Third
10 HA5 Hardware Address Bit 5 Third
11 HA6 Hardware Address Bit 6 Third
12 HA7/P Hardware Address Bit 7 (Odd Parity Bit) Third
13 SCL_A IPMB Clock, Port A Third
14 SDA_A IPMB Data, Port A Third
15 SCL_B IPMB Clock, Port B Third
16 SDA_B IPMB Data, Port B Third
17
18
19
20
21
22
23
24
25 SHELF_GND Shelf Ground
Connection to Shelf Ground and safety ground
First
26 LOGIC_GND Logic Ground
Ground reference and return for front blade-to-front blade
logic signals
First
27 ENABLE_B Enable B
Short pin for power sequencing, Feed B, tied to VRTN_B
on Backplane
Fourth
28 VRTN_A Voltage Return A
–48 Volt return, Feed A
First
29 VRTN_B Voltage Return B
–48 Volt return, Feed B
First
30 EARLY_A –48 Volt Early A
–48 Volt input, Feed A precharge
First