The TNA 2000 range includes a number of possible clocks that you can use. This list allows you to see which features are offered by which clock, so that you can see what hardware you require.

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Software Comparison
TNA 2000 Hardware Overview

Device Range

Code	Device	Purpose
C32	CapeClock 32	Simple electronic time-clock. Basic functionality. TNA only (not Access Control or Job Costing.) Suitable for sites with less than 125 employees. Very cost effective.
C128	CapeClock 128	Fully functional, flagship of the range. Includes TNA, Access Control and Job Costing functionality Suitable for sites with under 3500 employees.
C256	CapeClock 256	Same as C128, but supports 9000 employees.
D128	CapeDoor 128	Same as C128, but only does Access Control. Does not have an LCD. Used to add additional access points to sites using C128's.
D256	CapeDoor 256	Same as C256, but only does Access Control. Does not have an LCD. Used to add additional access points to sites using C256's.
Cont	Controller	Used on sites with multiple clocks where synchronization is required (ie where employees can clock In on 1 clock, and clock Out on another). Usually only 1 controller per site is required.
JBox	Junction Box	Used when there are multiple clocks, but no controller. Also used when there is a single clock mounted more than 15m away from the PC.

Comparison Table

Feature	C32	C128	C256		D128	D256		Cont	J Box
Maximum  Employees	125	3500	9000		3500	9000
Clockings Buffer	3000	5000	5000		4300	2900
Device can be Daisy Chained	x	x	x		x	x		x	x
Internal Time and Date	x	x	x		x	x		x
Buzzer	x	x	x		x	x
RS 232 Communications	x	x	x		x	x		x	x
RS 485 Communications	x	x	x		x	x		x	x
RS 485/232 Converter								x	x
Synchronize Directions								x
32 character display	x	x	x					x
Optional Backlighting	x	x	x					x
Supports Readers (up to 2)	x	x	x		x	x
1 Reader Mounted on clock	x	x	x
Readers can be external	x	x	x		x	x
IN Door relay		x	x		x	x
OUT Door Relay		x	x		x	x
Siren Relay	x	x	x
Extra Relay		x	x
Printer		x	x
IN / OUT Lights on clock	x	x	x		x	x
ONLINE light on clock	x	x	x		x	x		x
5 Function Keys		x	x