Sun Microsystems CP3260 Data Transport Connector Zone, Figure A-6shows the Zone 2 connectors

TABLE A-4Power Distribution Connector Pin Assignments (Continued)

Pin Number Name Description

17Unused

18Unused

19Unused

20Unused

21Unused

22Unused

23Unused

24Unused

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

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-6shows the Zone 2 connectors.

A-8Netra CP3260 Blade Server User’s Guide • April 2009