Elo TouchSystems 1525L manual Description, Argument

		Section 3. Commands
Read	Description
Argument
pin	Collect PIN from cardholder and read PIN data from the device.
	The following properties may be set before issuing this command:
	• account_no – cardholder account number, including check digit,
	•	if required
		amount – transaction amount in cents, without punctuation, if
		required
	• enc_key – (MSK mode only) encryption key to use: M for master,
		S for session, 0-3for lower working keys, A-Jfor upper working keys.
	• xact_type – (DUKPT mode only) transaction type: D for debit, C for
		credit
	The response will be: /read P000SS pin_block
		SS is a two-digit status code:
		00 – successful read
		45 – enc_key is not defined
		83 – aborted, etc.
		pin_block is the encrypted PIN block as returned by the device.
	Upon successful read, the following properties will be set:
	•	Visa_mac1, visa_mac2, visa_mac3 – message authentication
		codes (DUKPT mode only)
	• enc_key_sn – serial number of encryption key (DUKPT mode only)

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