Extron Electronics ISS 506 IO_board Installation - Manual (Page 11)

Installation, cont’d
ISS 506 Optional I/O board • Installation
1 . Open the switcher. See “Opening the Switcher” on page 1.
C Do not touch any switches or other electronic components inside the ISS. Doing so could damage the ISS.
Electrostatic discharge (ESD) can damage IC chips even though you cannot feel it. You must be electrically
grounded before proceeding with any electronic component replacement. A grounding wrist strap is
recommended.
2 . On the rear panel (figure 6), remove the two screws ( a ) that secure the blank panel to the ISS panel.
Remove and discard the panel.
RS232/422
RESET
LAN
1 1
Figure 6 — Blank panel removal
3 . On the main board (figure 7), locate connectors J1, J2A, and J2B ( b ); the standoff ( c ); and the rear panel
connector port ( d ).