Net Piggy-Back "Isdn" Version - SMA NET Piggy-Back Technical Description

Electrical Connection

4.2.2 NET Piggy-Back "ISDN" Version

The accessories provided in the delivery include:
• ISDN connection cable
6 m, 4-wire, 8-pole modular plug (RJ45) on both ends
Connecting the Sunny Boy Control to the ISDN
Sunny Boy Control with NET socket
RJ45 plug
Use the provided connection cable to connect the NET socket to the ISDN jack on the NTBA or
telephone system.
PIN Assignment of the NET Socket for ISDN Modems
NET RJ45
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
14 NETPB-TEN081708
NTBA
- not used
- not used
2a transmitted data plus, also labeled as Tx(+) or SX1
1a transmitted data minus, also labeled as Tx(-) or SX2
1b received data minus, also labeled as Rx(-) or SR2
2b received data plus, also labeled as Rx(+) or SR1
- not used
- not used
SMA Solar Technology AG
RJ45 plug
Description
ISDN
connection
Technical Description