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A-8 Netra CP3260 Blade Server User’s Guide • April 2009
A.4.4 Data Transport Connector (Zone 2)
The data transport connector consists of one 120-pin HM-Zd connector, labeled P23,
with 40 differential pairs. This is called the Zone 2 connector.
The Zone 2 connector provides the following signals:
■ Two 1000BASE-T Ethernet Base interface channels
■ Two 1-Gb SERDES on the Fabric (extended) interface
■ 10-Gb XAUI on the Fabric (extended) interface
■ Synchronization Clock interface supporting CLK1A/B and CLK2A/2B
FIGURE A-6 shows the Zone 2 connectors.
17 Unused
18 Unused
19 Unused
20 Unused
21 Unused
22 Unused
23 Unused
24 Unused
25 SHELF_GND Shelf Ground
26 LOGIC_GND Logic Ground
27 ENABLE_B Enable B
28 VRTN_A Voltage Return A
29 VRTN_B Voltage Return B
30 EARLY_A −48V Early A
31 EARLY_B –48V Early B
32 ENABLE_A Enable A
33 −48V_A −48V A
34 −48V_B −48V B
TABLE A-4 Power Distribution Connector Pin Assignments (Continued)
Pin Number Name Description