Token Decryption And Processing; Electricity Credit Token; Set 1St Dispenser Key Token; Set 2Nd Dispenser Key Token - Landis+Gyr Cashpower Gem Lite User Manual

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4.5

Token Decryption and Processing

The meter accepts information transferred as specified in the Standard Transfer Specification
STS tokens comprise of 20-digit numbers.
The following STS token types will be recognised and accepted:

Electricity credit (meter-specific token)

Set 1st dispenser key (meter-specific token)

Set 2nd dispenser key (meter-specific token)

Clear tamper (meter-specific token)

Set maximum power load or power limit level (meter-specific token)

Set current credit levels (meter-specific, proprietary token)

Clear credit (meter-specific token)

Initiate dispenser test (non meter-specific token)

Commissioning token (non meter-specific, proprietary token)

Commissioning token (meter-specific, proprietary token)

Decommissioning token (meter-specific, proprietary token).

Set Options Register (meter-specific, proprietary token).
4.5.1

Electricity Credit Token

The electricity credit token transfers a variable quantity of credit to the meter.
4.5.2

Set 1st Dispenser Key Token

Key changes are occasionally carried out to maintain the security of a pre-payment system. Unless the
prepayment vending system and meter are both operating on the same key, tokens vended from that system
will not be accepted by the meter.
To effect a key change, two tokens (set 1st dispenser key and set 2nd dispenser key) need to be issued and
entered into the meter within a 5-minute period of each other.

Note: Various ancillary functions e.g. clearing the meter log may be embedded into the key-change process
(refer to the STS specification).
4.5.3

Set 2nd Dispenser Key Token

4.5.2
Refer to paragraph
4.5.4

Clear Tamper Token

If a meter has been tampered, normal operation can only be restored by entering a tamper reset token.

4.5.5

Set Power Limit Token

This token sets the power limit level for the meter.
4.5.6

Set Credit Alarm Levels Token (Proprietary Token)

On accepting a credit alarm level number, the meter sets the appropriate high and low credit levels. These are
the levels at which the segments in the „wedge‟ of the LCD credit indicator toggle
Note: If any of the credit levels transferred via the token is zero, the token is accepted, but the respective credit
level is not updated.
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Review
Set 1st dispenser key and set 2nd dispenser key tokens may be entered in
any sequence i.e. the 2nd dispenser key token may be entered first.
above.
A tamper reset token also reset the power-fail counter.
Meter Operation
Cashpower Gem Lite – User Guide