User guide
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Chapter 3 - Front & Rear Panel Descritpions
3.5 Switches/Jumper/Shunt
Switch settings can be changed by taking off the front panel. To change
the RKWL/144 jumper, V.24/V.35 shunt, V.29/V.33 shunt, or the 2834
shunt, the front panel and top cover need to be removed. The switches,
jumper and shunts are shown on the base in Figure 3-3.
1 2 3 4 5 6 7 8
1 2 3 4
V.35 V.24
OTHER RKWL14.4
8-Position
DIP Switch
V29/V33
2834
Composite
Link Internal
Modem Jumper
4-Position
DIP Switch
Power
Supply
V.35 Shunt
V.24 Shunt
V.29/V.3
3
Shunt
2834 Shunt
Figure 3-3. Base
3.5.1 8-Position DIP Switch
The 8-position DIP switch is shown in Figure 3-3 and the function of
each position is as follows:
Switch position 1: Closed Initiate Downline Load Off
Open (UP) Initiate Downline Load On
(used for downline loading only)
Switch position 2: Closed External Link Device Selected
Open (UP) Internal Link Device Selected
Switch Position 3: Closed Four Channel Operation
Open (UP) Eight Channel Operation
Switch Position 4: Closed Disable Command Modem Remote
Access
Open (UP) Enable Command Modem Remote
Access (default)
Switch Position 5: Not Used