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DLM4000 User Guide
PN 161-09997-003A
Feb 2005
DLM4000 Connection Points
(PWR)
The DLM4000 utilizes a toggle switch for powering the modem on and off.
(9VAC)
The power connection is made with a barrel connector, which comes on the supplied power supply.
(RS232)
The connection for the RS232 port on the modem is a DB25 female connection. Keep in mind that this device is
considered a DCE.
(PHONE OUT)
For most applications a phone is not required. Data-Linc Group supplies the modem with an RJ11 plug in
this jack. This may be removed if connection of a phone to the modem is required.
(PHONE IN)
Connection of the modem to the telephone company dial-up is done via this RJ11 jack. A dedicated or leased
line may also be used at this jack. Note that this unit is a two wire device and only the two center connection points of the
RJ11 jack are used.
DLM4000 24V Connection Points
(24 VDC)
The power connection to the DLM4000/24V is a terminal block. The connection points are designated in the above
diagram. There is no on or off switch on this version.
(RS232)
The connection for the RS232 port on the modem is a DB25 female connection. This device is considered a
DCE.
(PHONE OUT)
For most applications a phone is not required. Data-Linc Group supplies the modem with an RJ11 plug in
this jack. This may be removed if connection of a phone to the modem is required.
(PHONE IN)
Connection of the modem to the telephone company dial-up is done via this RJ11 jack. A dedicated or leased
line may also be used at this jack. Note that this unit is a two wire device and only the two center connection points of the
RJ11 jack are used.
ON
OFF
9VAC
PHONE
OUT
PHONE
IN
PHONE
IN
PHONE
OUT
- +
24VDC
Not Connected
Not Connected
Connected
Connected
RJ11
Twisted Pair
