4
Service Screen
4.5
I / O ports
AT-10 plus
Page 22
A
rt.
-n
o.:
2.5
4004
3 Re
v.
: a
4.5 I / O ports
This screen enables the Input output ports to be tested / checked. Signals are send
from the AT-10plus and checked for correct reception. Both the RS-232 ports and the
analogue ports can be tested.
4.5.1
Checking the RS-232 ports
The following ports can be checked:
• Treadmill (back panel)
• Ergo (back panel)
• RS-232 (side panel)
Proceed as follows:
1. Position the RS-232 test plug (pin 2 (TX) and 3 (RX) shorted together) in the port
to be tested.
2. The red square
(1)
changes to green to indicate that the port is functioning.
** RS - 232 test **
TM
:
Ergo
:
Spiro
:
SpO2
:
NIPB
:
SCM
:
** Ergo test out/in **
DC OUT 1 >
-3
>
DCIN 1 +
DC OUT 2 >
4
>
DCIN 2 +
QRS OUT >
0
>
RPMIN
LOADOUT >
0
>
LOADIN
TMUP
>
FUSSIN
TMDOWN >
-3
>
FUSSIN
ECG
NIBP
Spiro
HW-Config.
I/O + ports
Service
Character Colour
Test
Battery
Software
1
2
The testing of the ports requires the following test equipment. Details of this test
equipment is given at the end of this book (see page 72).
• RS-232 test plug
• DC In / DC Out test cable assembly
• Test plug and switch (ERGO check)
The Spiro and NIBP RS ports are internal and cannot be checked with the test plug.