1. ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems DCN Next Gen 1 DCNNG CN SD 06.Oct.05 System Design Network Set Up  Direct Connection Cross Cable Full duplex Transmit and receive at the same time No Collisions DCN Next Gen CCU Cobranet Interface DCN Next Gen CCU Cobranet Interface Cat 5

2. ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 2 DCNNG CN SD 06.Oct.05 CROSS Cable 1 TX+ 2 TX- RX+ 3 RX- 6 TX+ 1 TX- 2 3 RX+ 6 RX- n/a 4 n/a 5 4 n/a 5 n/a n/a 7 n/a 8 7 n/a 8 n/a * Note: Even though pins 4,5,7 and 8 are not used, it is mandatory that they be present in the cable.

3. ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 3 DCNNG CN SD 06.Oct.05 System Design  Hub Transmits data to all ports Half duplex Cannot transmit and receive at the same time Collision transmission stops DCN Next Gen CCU Cobranet Interfaces DCN Next Gen CCU Cobranet Interfaces Hub

4. ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems DCN Next Gen 4 DCNNG CN SD 06.Oct.05 System Design Network Set Up  Switch Straight Cable Can route data from one port to an other port Multiple paths possible Remembers the communication path DCN Next Gen CCU Cobranet Interfaces DCN Next Gen CCU Cobranet Interfaces Switch

5. ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 5 DCNNG CN SD 06.Oct.05 Straight Thru Cable * Note: Even though pins 4,5,7 and 8 are not used, it is mandatory that they be present in the cable. TX+ 1 TX- 2 1 TX+ 2 TX- RX+ 3 RX- 6 3 RX+ 6 RX- n/a 4 n/a 5 4 n/a 5 n/a n/a 7 n/a 8 7 n/a 8 n/a

6. ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 6 DCNNG CN SD 06.Oct.05 System Design End of Section CobraNet Menu