3. I/O Highway
GEM80-400
Page 3-32
ALSPA GEM80-400 SERIES CONTROLLER TECHNICAL MANUAL
Issue 3 04/99
Another GEM
80 subrack which has this feature is: 8859-4003 - 12-slot I/O subrack.
3.15.1. Output Enable Connections
Output enable connections to the controller subracks are shown in Figures 3.15
and 3.16. Figure 3.15 illustrates the use of GEM
80 +15V power supplies and Figure
3.16 illustrates the use of ex15V power supplies. Resistors R7 and R8 (or
R14 and R15) should be removed as indicated. The 0
Ω
resistors shown in dotted
outline should be removed when used with the relevant power supplies.
Note...
Each Output Enable Module connected using the GEM
80 power supply
draws an additional 10mA.
Figure 3.15 - Connection of Output Enable Signal using the GEM
80 Power Supply
