Data-Linc Group DLM4100 Manuel de l'utilisateur - Page 4

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Indicators
There are four LED's displayed out the front panel for status and diagnostics they are as follows:
(P) Power
Red
(C) Carrier
Amber
( I ) Data In
Yellow
(O) Data Out
Green
Since the DLM4100 has been pre-configured at the factory for typical PLC to PC use, the only command strings
required are for dialing and hanging up. The command instruction to be entered in either PC or PLC
programmed for dial-up operation are listed below:
Dial String:
Command Mode (escape sequence):
Hang up:
Note: Do not use any initialization string at all when commanding the modem to dial. Any command
other than the ATDT followed by the number being dialed can change the pre-configuration of the
DLM4100 and make it inoperative for PLC communications.

Specifications

Input Voltage
Current Consumption
Ring Voltage Detected
Ring Frequency Detected
Telephone Loop Current
Data Transmit Level
DTMF Transmit Level
Operating Temperature Range
Enclosure Material
Enclosure Dimension
Weight
Note: The following pages are the AT Commands, Modem Registers, and Result codes for your
reference. In pre-configured systems from Data-Linc Group these values should not be changed.
P/N 161-09977-001B
On indicates that the board is receiving power
On indicates that a connection has been made to another DLM4100
On indicates that data is flowing into the serial port
On indicates that data is flowing out to the serial port
ATDTx
+++
ATH0
+8 to 15 VDC
Max 260mA
38 to 150 RMS
15.3 to 68 Hz
20 to 100mA
-12 to –9.0 dBm
-2.5 dBm Avg. over 3 second interval
0° C to 70° C Standard Model
-40° C to 85° C Extended Temperature Model
18 gauge steel
9.0" x 5.0" x 1.5" over mounting flanges
1.68 lb.
.76 kg.
DLM4100 User's Manual
3