Isotech TTI-7-R, Operator'S Handbook Manual

Page: 70 / 120

Options and accessories
7.2 Fitting the Interface
WARNING: Switch off the instrument and
remove the AC power cord before removing
the instrument case. ANTI-STATIC
PRECAUTIONS MUST BE TAKEN WHILE
INSTALLING THE INTERFACE CARD.
1. Remove the six screws holding the top half of the instrument case
(see figure 7.1) and lift off vertically, taking care not to stretch or
break the ground connection to the case cover (green/yellow wire).
2. Remove the two screws holding the communications interface
blanking plate located on the rear panel.
3. (IEEE only) Remove the four screws holding the rear panel to allow
the interface output connector to fit.
4. Fit the interface card in socket J18 on the instrument's main PCB,
ensure the connector is firmly located.
5. (IEEE only) Replace the instrument rear panel and secure the four
mounting screws.
6. Secure the interface to the rear panel with the two screws from the
blanking plate.
7. Refit the instrument top case and replace the six securing screws.
Figure 7.1 - Fitting an interface PCB
Page 7-2