FloBoss 407 Instruction Manual
4-16
Rev 5/00
LEASED-LINE MODEM CARD
4W
P5
P4
DCD
INTERFACE
SHUTDOWN
DTR
RTS
8
2
3
5
6
TTL/RS232
4W
2W
2W
4W
RXD
TXD
1
7
4
P7
ACCESS
DATA
ARRANGEMENT
P3
2W
4
TXTA
RED
RXTB
TXTB
15
22
20
24
GRN
YEL
19
18
17
23
21
1
2
RXTA
BLK
3
DOC0174Z
TIP1
TIP2
RING2
RING1
+5V
P2
P8
COM2
TERMINAL
BLOCK
6
9
2
4
7
8
3
5
1
LEASED
RJ11
LINE
LINE
PRIVATE
3
4
6
1
2
5
Figure 4-11. Leased-Line Modem Wiring Schematic
The 9-terminal COM2 terminal block mounted on the termination card can also be used to connect the
modem to a private line. This connector is not FCC approved and cannot be used for leased-line
operation. The terminal functions are:
COM2
MODE OF OPERATION
TERMINAL
2-Wire
4-Wire
1
--
Tip2
2
Tip
Tip1
3
--
Ring2
8
Ring
Ring1
The following signals, used for monitoring or connecting to an analyzer, are available at connector P7
located at the bottom edge of the card. These signals are normally not active. To activate them, pin 8
(Shutdown) must be grounded to pin 2 using a jumper; this does not affect normal operation. All
unused signals can be left unterminated.
P7
Terminal
Function
1
+5 Vdc
2
COM
3
DCD
4
TXD
5
DTR
6
RTS
7
RXD
8
Shutdown
Содержание Fisher FLOBOSS 407
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