EonStor DS S12/S16/S24 Series Hardware Manual
Pin
Name
Pin
Name
1 BI_DA+
5 BI_DC-
2 BI_DA-
6 BI_DB-
3 BI_DB+
7 BI_DD+
4 BI_DC+
8 BI_DD-
NOTE
Automatic MDI/MDI-X Crossover: Crossover can be implemented internally at hub or
switch or externally through twisted pair media.
6.2.4
DB-9 Serial Port & Cable for RAID Models
Pin
Name
Description
1 DCD1
Data
Carrier
Detect
2 RXD1
Receive
Data
3 TXD1
Transmit
Data
4 DTR1
Data
Terminal
Ready
5 GND
Ground
6
DSR1
Data Set Ready
7
RTS1
Request to Send
8
CTS1
Clear to Send
9 RI1
Ringing
indicator
The DB-9 to DB9 Y-cable connects the COM1 serial ports on redundant RAID
controllers for maintenance-free terminal connection during controller
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