OSDP reader or other Peripheral Device without a tablet device, laptop PC, desktop PC, or access controller. A technician can use the OTT-2100 to set the address and baud rate of OSDP readers before they are installed in the field, or after installation.
Cypress OTT-2100 Manual - Wiring Diagram: Listening Mode OSDP Access Control Panel RS485 A RS485 B OSDP Data Lines OSDP Reader DC Power Supply Power Ground Page 7...
LED 3 LED 2 The OTT-2100 has three RGB LEDs that show the status of the device. The LED displays are different, depending on the operating mode the unit is in. There are LED tables showing the states and meanings of the three LEDs in each of the operating mode sections of this manual. When the device is powered on in any mode, LED 2 (center) will display the power up sequence.
Baud Rate Select The OTT-2100 has a 10 position DIP switch bank that is used to select the OSDP address and the baud rate that the OTT-2100 will configure in the connected OSDP reader or PD. The DIP switch is ON when the switch is pushed away from the number on the DIP switch bank, or towards the 2- pin header/connector.
The OTT-2100 has an OSDP polarity switching feature, which allows the device to communicate with the reader or PD no matter the polarity of the connected OSDP lines. When the OTT-2100 is connected to a PD and is powered on in COMSET Mode, it will do the following: 1.
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Cypress OTT-2100 Manual - Operating Modes: COMSET Mode (cont.) COMSET Mode LED Table LED State Meaning LED 1 Flashing Green Communicating with the PD LED 1 Flashing Blue Searching for PD LED 1 Solid Red Low battery voltage LED 2 Solid Green PD’s address and baud rate have been set to the selected values...
2. Connect two OSDP data lines used by the ACU and PD to the removable screw terminal block on the OTT-2100. The polarity of the OSDP data lines does not matter, as the polarity switching feature will allow communication regardless of the polarity.
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Cypress OTT-2100 Manual - Operating Modes: Listening Mode (cont.) Listening Mode LED Table LED State Meaning LED 1 Flashing Green ACU sent a command to the PD while in a Secure Channel session (encrypted) LED 1 Flashing Blue ACU sent a command to the PD while in a Clear Channel session (unencrypted)
Firmware Update Mode. 4. LED 1 will be flashing red while it is waiting to be polled by the ACU. Once the OTT-2100 is being polled by the ACU, LED 1 will be flashing green if in a Secure Channel session or flashing blue is in a Clear Channel session.
Cypress OTT-2100 Manual - OSDP Terminology This section lists and defines in general terms OSDP terminology used in this manual. Access Control Unit (ACU): Typically the access controller, the ACU is the device on the OSDP bus that controls the PDs. The ACU only sends commands to the PDs and waits for replies.
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