American Dynamics SpeedDome LT, Installation And Service Manual

Page: 40 / 41

SERVICE
SPEEDDOME LT
3-15
Dome Maintenance
Setting Communications
Jumpers
To set the communications jumpers on the
Unicard:
1. Set the jumpers to RS422 or SensorNet
(Figure Chapter 3-13).
Using Figure Chapter 3-13, set jumpers E2 and E3
according to your network requirements.
Communications Jumpers
Cable Type
RS422
SensorNet*
E2
2 - 3
1 - 2
E3
2 - 3
1 - 2
* Factory default setting.
2. If you are installing SensorNet data cabling,
set the E1 termination jumper in one of two
positions, depending on the position of the
dome in the network.
Using Figure Chapter 3-13, set jumper E1 according
to your network requirements.
Data Line Termination Jumper
Dome Position
Last Dome in Network
All Other Domes*
E1
2 - 3
1 - 2
* Factory default setting.
!
WARNING!
Be careful not to bend connector pins!
When setting jumpers, be careful not to
bend a pin.
Figure Chapter 3-13. Setting communications
jumpers
3 2
1
3 2 1
P1
E2
E3
3 2 1
E1
SN
ET
RS
422
Setting the Dome Address
Along the bottom edge of the Unicard are two
rotary switches (Figure Chapter
3-14
), which enable
the dome address to be changed from 00 to 99.
Figure Chapter 3-14. Setting the dome address
0 0
1 1
9 9
MSB LSB
SW1 SW2
Unicard board
Unicard board