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Intel
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NetStructure
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ZT 7102 Chassis Management Module
Hardware Specifications
Technical Product Specification 27
2.8.5 JA1 Ethernet Port
JA1 is an RJ-45 Ethernet port providing 10 Mbit (10BASE-T) and 100 Mbit (100BASE-TX)
protocols. JA1 connects to the CMM's LAN0 Ethernet channel. A second Ethernet channel, LAN1,
is only available at the backplane.
Two LEDs are located in the RJ-45 Ethernet connector:
• Yellow indicates speed
• Green indicates a link/activity
See Table 10 for JA1 Ethernet port pin definitions.
SDTR 1 O Serial data terminal ready
SRI 1 I Serial ring indicator
SCD 1 I Serial carrier detect
RpTx(+-) 2 I/O 10/100 Ethernet To rear panel
RpRx(+-) 2 I/O 10/100 Ethernet From rear panel
NEG_O 1 O Negotiate output to other CMM
NEG_I 1 I Negotiate input from other CMM
HLY_O# 1 O Healthy output to other CMM
HLY_I# 1 I Healthy input from other CMM
PRES_I# 1 I Other CMM is present (0V)
PRES_O# 1 O Grounded on CMM.
GA0 1 I Location Address
CMM_SEL# 1 I
Tells CMM it has been seated. (Backplane grounds
this pin)
GND 14 I CMM GND
IPMB_PWR 8 I CMM Power
BP_12V, BP_N12V,
BP_5V, and
BP_3.3V
4 I Monitor backplane power 12,-12,5,3.3
RPMAC# 1 I Rear panel major alarm clear
RPMIC# 1 I Rear panel minor alarm clear
RPCR# 1 O Rear panel critical alarm relay
RPMAR# 1 O Rear panel major alarm relay
RPMIR# 1 O Rear panel minor alarm relay
VIO 1 I
Backplane IO voltage (may not be present in non-PCI
system)
RES 18 NC No Connect on Backplane
TOTAL 220
Table 9. Pin Descriptions (Sheet 2 of 2)
Name Count Type Description