
| 
 | EN | 
 | Technical Reference | 
| 
 | 
 | 
 | 
 | 
| 8 PINOUTS | 9 MOUNTING DIMENSIONS | ||
Data In - 9-Pin  Connector (Male)
| Pin | Connection | 
| 1 | No Connection | 
| 2 | Rx | 
| 3 | No Connection | 
| 4 | No Connection | 
| 5 | Ground | 
| 6 | No Connection | 
| 7 | No Connection | 
| 8 | No Connection | 
| 9 | No Connection | 
| Pin | Connection | 
| 1 | Output Voltage1 | 
| 2 | Signal Ground | 
| 3 | Rx | 
| 4 | Ground | 
| 5 | No Connection | 
| 6 | Output Voltage1 | 
1. These connections should be left unconnected in this configuration.
Industry Standard PC Null Modem Interface Cable1
(Purchased separately- Part No. S1385)
| LTC 8786 Side | PC or DVR Side | 
| 
 | |
| Pin | Pin | 
| 1 | 4 | 
| 2 | 3 | 
| 3 | 2 | 
| 4 | 1, 6 | 
| 5 | 5 | 
| 6 | |
| 7 | 8 | 
| 8 | 7 | 
| 9 | 
1.The LTC 8786 only requires connections to pin 2 and 5 of its 
154
6.08
| 108 | 122 | 
| 4.26 | 4.80 | 
| 
 | 
 | 
70
2.75mm in
Figure 4 Top Dimensions
127
5.0
38
1 .5
| 132 | mm | 
| 5.2 | in | 
Figure 5 Side Dimensions
| © 2003 Bosch Security Systems | Page 11 of 12 |