CALAMP WIRELESS NETWORKS INC. MCUC5 Manuel D’Utilisation
120 40101-100
6
Integra T Technical Manual
1.11.7 Extending a Landline (Tail
Circuit)
An Integra-T may be used to extend a landline
circuit (giving access to difficult locations, etc.).
This type of connection is called a “tail circuit”
and is shown in Figure 6 below. The tail circuit
assembly may be used in any of the network
types described in the preceding sections.
circuit (giving access to difficult locations, etc.).
This type of connection is called a “tail circuit”
and is shown in Figure 6 below. The tail circuit
assembly may be used in any of the network
types described in the preceding sections.
line
modem
line
modem
dedicated
line
Integra T
DTE
DCE crossover
cable
Figure 6 - Tail Circuit
Note: The line modems should be full duplex
units.
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
DE-9M
7
3
2
8
5
3
2
8
5
1
4
4
DE-9M
DCD
RXD
TXD
DTR
GND
RTS
CTS
RTS
TXD
RXD
CTS
GND
DCD
DTR
Figure 7 - DCE Crossover Cable