INSPECTION AND CONFIGURATION
M9B-HFS INTERFACE
2-8
Release 1.0 (97/10)
CAUTION
Use proper static control techniques to avoid damage to static-sensitive
components on the printed circuit board.
JUMPER SELECTION
J66
OVP Control Selection
[closed] (default) See Table 2.7-1
[open] Front panel OVP control
J92
User TTL Shutdown (S/D) Selection
[1-2] User TTL S/D line active low
[2-3] User TTL S/D line active high [default]
J104
Local Mode Disable Selection
[closed] (default) See Section 2.7.3
[open] See Section 2.7.3
Note:
All other jumpers are not user-selectable.
LED INDICATORS
CR97
Red Diagnostic LED
Bus error or soft restart on Slave circuitry
CR163
Red Diagnostic LED
Soft restart on Master circuitry
CR164
Green Diagnostic LED
Bus error on Master circuitry
EPROMS
U120
Slave EPROM
See revision number stamped on EPROM.
U210
Master EPROM
See revision number stamped on EPROM.
CONNECTORS
J1
Front Panel A1 PCB Interconnect
J7
User Signals Connector
J65
A2 Control PCB Interconnect
U222
Fiber Optic Transmit Connector
U223
Fiber Optic Receive Connector
Figure 2.7-1 M9B-HFS Interface PCB
