Lan Connector - Hitachi Compute Blade 500 Series System Overview Manual

Pin Signal Name
1 DCD Data Carrier Detect. DCE is connected to the telephone line.
2 RD Received Data. Carries data from DCE to DTE.
3 TD Transmitted Data. Carries data from DTE to DCE.
4 DTR Data Terminal Ready. Indicates presence of DTE to DCE.
5 GND Common Ground
6 DSR Data Set Ready. DCE is ready to receive commands or data.
7 RTS Request To Send. DTE requests the DCE prepare to receive data.
8 CTS Clear To Send. Indicates DCE is ready to accept data.
9 RI Ring Indicator. DEC has detected an incoming ring signal on the
telephone line.

LAN Connector

The following figure shows LAN connector installed in management modules
and switch modules.
Table 2-36 LAN connector pin-out for 100BASE-TX/10BASE-T
Pin Signal Name
1 BI_DA+
2 BI_DA-
3 BI_DB+
4 BI_DC+
5 BI_DC-
6 BI_DB-
7 BI_DD+
8 BI_DD-
2-24
Table 2-35 RS-232C connector pin-out
Figure 2-3 LAN Connector
Bi-directional pair A+
Bi-directional pair A-
Bi-directional pair B+
Bi-directional pair C+
Bi-directional pair C-
Bi-directional pair B-
Bi-directional pair D+
Bi-directional pair D-
Specification
Hitachi Compute Blade 500 Series System Overview Guide
Description
Description
Direction
Input
Input
Output
Output
-
Input
Output
Input
Input
Direction
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output