Sun Microsystems Netra CP3060, User Manual

Page: 116 / 129

Appendix A Physical Characteristics A-9
A.4.5 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 Fabric channels
■
Two 1000 SERDES ports on the Extended Fabric interface
■
Synchronization Clock interface supporting CLK1A/B and CLK2A/2B
FIGURE A-5
shows the Zone 2 connectors.
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