Connect Rs232; Fig. 54: Pto2001-A1 Connection To Pt2001-A1; Table 79: Pto2001-A1 Rs232 Connector 1 - 'Cn4; Table 80: Pto2001-A1 Rs232 Connector 2 - 'Cn3 - Siemens Novigo Core Installation, Mounting

7.2.4 Connect RS232

RS232-2 RS232-1
1
CN4
CN3
PTO2001
1 CN1
CN2
Power-2
DC 24 V
A6V11940317_en--_a
The PTO2001-A1 has two RS232 connectors. One ('CN4') is used to connect
PT2001-A1, and the other ('CN3') is used to communicate with the next PTO2001-
A1.
RS232 connector 1 - 'CN4'
Pin Description
1 RX
2 TX
3 GND

Table 79: PTO2001-A1 RS232 connector 1 - 'CN4'

RS232 connector 2 - 'CN3'
Pin Description
1 GND
2 TX
3 RX

Table 80: PTO2001-A1 RS232 connector 2 - 'CN3'

To connect RS232 on the first PTO2001-A1, connect the 'RX' on the PT2001-A1 to
'TX' on the PTO2001-A1, 'TX' to 'RX', and 'GND' to 'GND'.
Connect the next PTO2001-A1 RS232 to the previous PTO2001 by 'RX' – 'RX',
'TX' – 'TX', 'GND' - 'GND'.
RS232-2
1
GND
TX
RX
1
CN3
1
CN2
1
Power-1 Power-2
DC 24 V DC 24 V

Fig. 54: PTO2001-A1 connection to PT2001-A1

Desk call station extension PTO2001-A1
Remark
-
-
-
Remark
-
-
-
RS232-1
GND
TX
RX
CN4 1
PTO2001
CN1
1
Power-1
DC 24 V
24 V
0 V
Connect external components
PT2001
1
CN3
SD-Slot
1
TX
RX
CN4
GND
RS232
1
CN7
7
CN1
1
CN5
1
Power
DC 24 V
CN2
1
97 | 121