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7
Connect external components
Desk call station extension PTO2001-A1
7.2 Desk call station extension PTO2001-A1
7.2.1 Mounting
7.2.2 Installation
7.2.3 Connect DC 24 V power supply
96 | 122
A PT2001-A1 can be extended with up to 4 'Desk call station extension (24
buttons)' PTO2001-A1, each with 24 buttons to a maximum of 115 buttons.
The buttons can be labeled with insertable labels.
Unscrew the bottom of the PTO2001-A1 for further installation.
1
RS232 2
CN3
CN2
1
Power 2
DC 24 V
Fig. 53: PTO2001-A1 connector overview
The PTO2001-A1 has two DC 24 V power supply connectors. One ('CN1') is used
to get power from the PT2001-A1, and the other ('CN2') is used to power the next
PTO2001-A1.
DC 24 V power connector 1 - 'CN1'
Pin
Description
1
DC 0 V
2
DC 24 V
Table 77: PTO2001-A1 DC 24 V power connector 1 - 'CN1'
DC 24 V power connector 2 - 'CN2'
Pin
Description
1
DC 24 V
2
DC 0 V
Table 78: PTO2001-A1 DC 24 V power connector 2 - '-CN2'
RS232 1
1
CN4
Power 1
CN1
DC 24 V
1
Remark
-
-
Remark
-
-
A6V11899867_en--_a
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