Configuration; Check The Id Settings; Fig. 55: Pto2001-A1 Keypad Numbering - Siemens Cerberus PACE Compact Installation, Mounting

7 Connect external components
Desk call station extension PTO2001-A1

7.2.5 Configuration

7.2.6 Check the ID settings

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The RS232 communication requires proper ID settings of all PTO2001-A1.
Usually the PT2001-A1 are delivered with correct pre-configured ID settings of the
connected PTO2001-A1.

Fig. 55: PTO2001-A1 keypad numbering

Follow the steps below to check the ID settings:
1. Disconnect the 24 V power supply from the PTO2001-A1.
2. Press and hold the keypads 00 and 11 on the PTO2001-A1.
3. Connect the 24 V power supply to PTO2001-A1.
 The PTO2001-A1 switches to the configuration mode with a LED lamp test:
red/green/yellow LEDs are activated.
 Afterwards the ID is indicated with a green blinking LED (refer to the table
below).
4. Perform a power reset with a disconnecting and re-connecting of the 24 V
power supply.
Green blinking keypad
ID of PTO2001-A1
00 01
ID1 ID2
02 03
ID3 ID4
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