Metrohm 857 Titrando - Manual (Page 30)

4 Appendix
26 825 Lab Link, Instructions for Use
4.2.2 Error message 011-105 Access not possible
This Touch Control message indicates that there is a problem
with the connection between the Titrando system and the 825 Lab
Link Server PC.
If this message appears and the status of the network connection
between the 825 Lab Link Server PC and the 825 Lab Link hard-
ware is shown as not available on the PC then first check this
connection as described in Section 4.2.1.
The following points should only be checked if the network con-
nection between the PC and 825 Lab Link is shown as con-
nected:
Faulty RS 232 connection of 825 Lab Link
The interface on the USB RS 232 Box which has been selected at
the Touch Control in the PC/LIMS configuration must be used for
the serial connection between the 825 Lab Link and the USB RS
232 Box (see Section 2.4). A null modem RS 232 cable must be
used (Metrohm number 6.2134.040).
Faulty connection of USB RS 232 Box to Titrando
The USB RS 232 Box must be connected to a USB connection of
the Titrando by using the 6.2151.030 USB Cable.
In the menu System / Device manager of the Touch Control check
whether the USB RS 232 converter is included in the list.
Incorrectly configured Port 0 of the 825 Lab Link hardware
The RS 232 parameters at Port 0 of the 825 Lab Link have been
set incorrectly. Check this configuration as described in Section
4.1.2. The Port 0 configuration must be “(19200,N,8,1,N)”.