XCP0010A
DC Control Option 
(1 per channel)

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XCP0020A
16 Frequency Capability Option

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XCP0030A
25 Pair Telco Interface Kit.

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XCP0040A
E&M Signaling Option, (1 per 4 ch.), requires CP0050 or XCP0050A

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XCP0050A
Supervisory Control Option

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XCP0060A
Ext. Telephone Interface Option

 
XCP0070A
Direct Telephone Interface Option

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XCP0080A
Battery Revert Kit.

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XCP0100A
4 Channel Expansion Kit

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XCP0130A
Logging Recorder Module Kit (incl.)

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XCP0400A
Firmware Upgrade Kit (can convert CommandPLUS to ICP9000 ops.)

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3308-00124-00
12 VDC Repl. Power Supply