
©2004 Digitrax, Inc
www.digitrax.com
13
Table 2:
BDL168 Option Switches (OpSw)
The following table shows what each OpSw is used for when it is set for
thrown or closed. Factory settings are indicated by shaded boxes.
Option Switches for BDL168 and RX4.
OpSw
t = thrown
c = closed
01
Set up for operation
with direct home
wired layouts (Digitrax
recommended wiring)
Set up for whole layout
common rail wired layouts
03
Normal BDL LocoNet,
Railsync cable
polarity. (Affects
detection and
changes timing edge
to be used for
transponder
detection)
Reversed BDL LocoNet, Railsync cable
polarity.
(Affects detection and changes timing
edge to be used for transponder
detection)
05*
Disable Transponding
Enable Transponding
06*
RX4 connected
(OPSW6 and 7 MUST
be “t” when RX4
connected)
Do not use
07*
RX4 connected
(OPSW6 and 7 MUST
be “t” when RX4
connected)
Do not use
09
Detection sections
show occupied when
zone power is off
No forced occupied
detection when zone power
is off
10
Use detection section
16 as a normal
detection section.
Use detection section 16 as
zone power ON qualifier for
whole layout common rail
wiring
11
Allow this BDL168 to
be the master.
Do not allow this BDL168
to be master
12
Allow this BDL168 to
terminate LocoNet
Do not allow this BDL168
to terminate LocoNet
13
Power up delay 5
seconds for
DB150 compatibility
Power up delay 1/2 second
19
Use regular threshold
sense DCC
occupancy. (approx
22 Kohms minimum)
Use high threshold sense
DCC occupancy (approx
10 Kohms minimum)
25
16 LEDs show
occupancy
Drive 16 occupancy LEDs
from SWITCH commands
(not occupancy)