Owner`s manual

89
Figure 25 below shows the recommended cable to
connect the host computer to the V71 with active
transmit and passive receive.
V71 (Current Loop) Equipment
DB-25 Connections
9 TX+ RX+
11 TX- RX-
18 RX+ TX+
25 RX- TX-
Figure 25: Recommended Cabling Using Current
Loop Line Interface (Active Transmit Passive Receive)
Figure 26 below shows the recommended cable to
connect the host computer to the V71 with active
transmit and active receive.
V71 (Current Loop) Equipment
DB-25 Connections
9 TX+ RX+
11 TX- RX-
18 RX- TX-
19 RX+ TX+
7 GND
25 GND |
Figure 26: Recommended Cabling Using Current
Loop Line Interface (Active Transmit Active Receive)
NOTE: Figure 25 and Figure 26 show the transmit and
receive connections in pairs. Each pair should be
connected with twisted-pair cabling.