3-22 ChartScan User’s Manual
Automatic Channel Assignment
Unless the CSN/Relay card is used, Channels 1 through 64 are automaticall y assigned to ChartScan, while extended
channels 65 through 128 are assigned to the expansion chassis. Even if a card slot is left empty in the ChartScan or
the expansion chassis, the channel assignments are as shown in the table, with slot 1 being at the bottom of the unit,
and slot 4 being at the top.
Device Channel Assignments
Slot 1 Slot 2 Slot 3 Slot 4
ChartScan 1 - 16 13-32 33-48 48-64
Expansion Chassis 65 - 80 81 - 96 93-112 113-128
The relay card, if used, must go in slot 1 of the main ChartScan unit. When the relay card is used, there are only 112
channels available. The channel assignments are automatically bumped as shown in the following table.
Device Channel Assignments (when relay option is used)
Slot 1 Slot 2 Slot 3 Slot 4
ChartScan ------------- 1 - 16 13-32 33-48
Expansion Chassis 48-64 65 - 80 81 - 96 93-112
CAUTION
CAUTIONCAUTION
CAUTION
Only one CSN/Relay card can be used in a ChartScan system. Attempts to install the
CSN/Relay card in a slot other than slot #1 of ChartScan’s main unit could possibly cause
equipment damage.