Digital Link DL600E, Руководство пользователя, Страница: 38 / 147

3-4 DL600E E1 Data Multiplexer UserÕs Guide
Figure 3-1 Comm Port on the Back Panel
Connecting a Terminal Through a Modem
To connect a terminal to the
DL600E
unit through a modem, use a null
modem cable.
D
Note
: Digital Link can provide
9
-pin to
25
-pin adapters, or a
null-modem adapter if required.
It is recommended, though not required, that
Connection
be set to
Modem
in
Menu-8 Alarm II
.
If the Comm Port baud rate is
9600
, the distance between the
DL600E
unit and the modem cannot exceed
50
feet (15.25 meters). If the baud
rate is less, the distance can be increased.
To connect a modem to the
DL600E
Comm Port:
1
Make sure the connection is a crossover (null) modem
connection.
2
Make sure the
DL600E
baud rate, parity bit and stop bit
settings match those of the modem.
If they do not, change the settings on the modem to match the
DL600E unit.
3
Connect the modem to the
DL600E DE9
connector shown in
Figure
3-1
.
4
Connect the modem to the phone line and the terminal.
FU
SE
FU
SE
T1.0A
FUSE
POWER 100-240V~50-60Hz MAX 1.0A
DC
POWER
-40 - 72VDC, 1.0A
ALARM
IN RTN OUT
- +
CAUTION:
TO PROTECT AGAINST RISK OF FIRE REPLACE
ONLY WITH SAME TYPE AND RATING OF FUSE, THIS
EQUIPMENT TO BE INSTALLED BY SERVICE PERSONNEL
COMM EXT CLOCK DATA 1
DATA 2
T
X
DATA 3 DATA 4
NET
RX TX
AUX
RX TX
CAUTION:
WHEN AC POWERED SAFETY REQUIRMENTS ARE NOT
FULFILLED UNLESS EQUIPMENT IS CONNECTED TO A WALL
SOCKET OUTLET WITH PROTECTIVE EARTH CONTACT
Comm Port