Firmware Update Via Q-Conn; Cable Wiring; Serial Communications Parameters - Qualstar RLS-4470 Technical & Service Manual

8.5 Firmware Update via Q-Conn

The user's host computer and the RLS are connected together using a NULL modem
serial cable. This cable must have female DB-9 connectors at each end and "straight-
through" wiring such that pins, 2, 3 and 5 are connected to each other at both ends.
User's
Host
Computer
Figure 8-5 Host Computer Connected to RLS
8.5.1 RS-232 Cable Wiring
User Host or PC
RS232 Serial Female DB-9
Connector
Signal Name
Receive Data
Transmit Data
Ground
Table 8-2 RS-232 Cable Wiring Requirements
8.5.2 RS-232 Serial Communications Parameters
Table 8-3 RS-232 Serial Communication Parameters
8-8
Serial
RS-232 Serial Cable
Port
Pin
2
3
5
Communication
Parameter
Baud Rate
Parity
Data Bits
Stop Bits
Firmware Updating
Qualstar
RLS
Library
Serial Port
on the IPM
RLS Library
RS232 Serial Female DB-9
Connector
Pin Signal Name
3 Transmit Data
2 Receive Data
5 Ground
Setting
38400
None
8
1
501510 Rev. S