Hitachi Compute Blade 500 Series - LAN Connector

Table 2-35 RS-232C connector pin-out
Pin Signal Name Description Direction
1 DCD Data Carrier Detect. DCE is connected to the telephone line. Input
2 RD Received Data. Carries data from DCE to DTE. Input
3 TD Transmitted Data. Carries data from DTE to DCE. Output
4 DTR Data Terminal Ready. Indicates presence of DTE to DCE. Output
5 GND Common Ground -
6 DSR Data Set Ready. DCE is ready to receive commands or data. Input
7 RTS Request To Send. DTE requests the DCE prepare to receive data. Output
8 CTS Clear To Send. Indicates DCE is ready to accept data. Input
9 RI Ring Indicator. DEC has detected an incoming ring signal on the
telephone line.
Input
LAN Connector
The following figure shows LAN connector installed in management modules
and switch modules.
Figure 2-3 LAN Connector
Table 2-36 LAN connector pin-out for 100BASE-TX/10BASE-T
Pin Signal Name Description Direction
1 BI_DA+ Bi-directional pair A+ Input / Output
2 BI_DA- Bi-directional pair A- Input / Output
3 BI_DB+ Bi-directional pair B+ Input / Output
4 BI_DC+ Bi-directional pair C+ Input / Output
5 BI_DC- Bi-directional pair C- Input / Output
6 BI_DB- Bi-directional pair B- Input / Output
7 BI_DD+ Bi-directional pair D+ Input / Output
8 BI_DD- Bi-directional pair D- Input / Output
2-24
Specification
Hitachi Compute Blade 500 Series System Overview Guide