Installation guide
D6600/D6100 | Operation and Installation Guide | 4.0  D6600 Specific Cards 
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Bosch Security Systems | 4/05 | 4998122704F  9 
3.2 D6100 
3.2.1 Front Panel 
Figure 4:  D6100 Communications Receiver/ 
Gateway (Front View) 
1 –  Liquid crystal display (LCD) - Displays up to 80 
characters of information (two lines of up to 40 
characters each) 
2 –  23-button keypad 
Table 2 and Table 3 on page 6 define the D6600/D6100 
POWER and SYSTEM TROUBLE LEDs. 
3.2.2  Line Cards and Modules 
The D6100 Receiver/Gateway does not use the same 
line cards and modules as the D6600. These functions 
are built in. 
3.2.3 Back Plate 
Figure 5:  D6100 Communications Receiver/ 
Gateway (Rear View) 
1 2
7 6 5 4 3 2
1
1 –  Telephone line 
connections 
2 –  Input/output ports 
3 –  COM4 RS-232 port 
4 –  COM3 auxiliary 
RS-232 port 
5 –  Parallel port 
connection 
6 –  Ethernet port 
(not available) 
7 –  Power connection 
terminal block 
4.0  D6600 Specific Cards 
4.1  D6640/D6641 Line Cards and D6645 
Line Terminator Card 
Figure 6:  D6640/D6641 Line Card 
1
2
3
1 –  48-pin connection to D6645 Line Termination 
Card 
2 –  40-pin connection to D6600 Back Plate 
3 –  LEDs (refer to Figure 8) 
Figure 7:  D6645 Line Terminator Card 
1
3
2
1 –  48-pin connection to D6640/D6641 Line Card 
2 –  Alignment Guide - Stabilizes the connection 
and acts as a guide for connecting the 
terminator card to the line card. 
3 –  Telco Line Jacks - Standard telephone lines 
connect to the RJ11C jacks. 
4.1.1  D6640/D6641 LED Descriptions 
The LED is active until the system acknowledges the 
entire transmission and the telephone line is ready to 
receive signals 










