MorphoAccess® SIGMA Series - Administrator Guide
OSDP Protocol Support
2017_2000025464-v03
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440
July 17
osdp_POLL command
This command is used as general inquiry by the panel. The following are the possible responses
for osdp_POLL command.
1.
osdp_RAW: Terminal responds with this command when it completes the
authentication process of smart card/external port/prox card/ identification.
After authentication process, the terminal puts the user’s Id into the polling queue in
the form of wiegand format. The wiegand format is defined by the terminal’s Wiegand
configuration for Identification Pass/Fail and Verification Pass/Fail parameters.
2.
osdp_KEYPAD: Terminal responds with this command when itcompletes the
authentication process by keypad.
3.
osdp_LSTAT: Terminal responds with this command when it detects tamper status.
4.
osdp_BIOMATCHR: Terminal responds with this command when the biometric match
process is completed by BIOMATCH command.
All above responses are logged in to terminal’s internal buffer and it is sent as response to the
osdp_POLL command in FIFO manner. In case if there is no response logged in to terminal’s
internal buffer, then osdp_ACK is sent as a response to osdp_POLL command.