Waters Xevo G2 QTof, Operator'S, Overview And Maintenance Manual, Page: 212 / 248

B-2 External Connections
Mass spectrometer external wiring and vacuum
connections
The instrument’s rear panel connectors are shown below.
Mass spectrometer rear panel connectors:
Caution:
The two switches above the roughing pump connector are for
use by Waters service engineers only; they must be kept in the “up”
position at all times.
External Connections 2
10 1
External Connections 1
10 1
System Activity
200 - 240V, 50/60Hz, 1.1kW
Video Output
Service Bus
Instrument LAN
1 2 3 4 5 6 7 8 9 10
+ -
Event In 1
External Connections 1
Not used
CE Interlock
OUT
+ -
Event In 2
Not used
- IN IN
Com N/C N/O
Com N/C N/O
1 2 3 4 5 6 7 8 9 10
+ -
Analogue Out
External Connections 2
OUT
Gas Fail Interlock
Not used
- OUT OUT
+ -
Event Out 1
+ -
Event Out 2
OUT
-
EPC Com Port
EPC Parallel Port
Event inputs
and outputs
Shielded Ethernet
Roughing pump / delayed roughing pump
Vacuum
port
Power
Nitrogen exhaust
Nitrogen inlet
Collision cell gas inlet
Pilot valve port
Video output