Bosch LTC 8714 Instruction Manual page 12

LTC 8714 and 8715 Series | Instruction Manual | Illustrations
Rx
PORT 1
Figure 6 LTC 8715 Series - Front and Back Panels
Figure 7 Ports 1 through 4 - Female 9-pin
D-sub Connector
Pin
1
2
3
4
5
6
7
8
9
Bosch Security Systems | May 23, 2005
Rx
Tx
Tx
KB-EXP1 KB-EXP2
PORT 2
5 4 3 2 1
9 8 7 6
Function
Chassis Ground
+Tx (Transmit)
–Tx (Transmit)
+Rx (Receive)
–Rx (Receive)
Ground
Ground
Ground
Ground
9-pin Male
Main CPU
Comm 2
Connector
1
2
3
4
5
6
7
8
9
Expander-to-main CPU Bay Cable Pinouts
Rx Rx
Tx
Tx
KB-EXP3
KB-EXP4
PORT 4
PORT 3
Figure 8 System Port - Female 9-pin
Pin
1
2
3
4
5
6
7
8
9
9-pin Male
Expander
System
Connector
No Connection
4
5
2
3
No Connection
No Connection
No Connection
No Connection
POWER
Rx
Tx
SYSTEM
SYSTEM
5 4 3 2 1
9 8 7 6
D-sub Connector
Function
Chassis Ground
+Tx (Transmit)
–Tx (Transmit)
+Rx (Receive)
–Rx (Receive)
Ground
Ground
Ground
Ground
EN | 12