EonStor DS S48 Series Hardware Manual
6.2.3
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
failover/failback. The connectors are male (controller end) to females (PC end).
IFT-9373AYCab
126