Product Manual - DM991 Series V Family - 204.4092.08
12
Figure 2. Front Panel - DM991SE 2W
Figure 3. Front Panel - DM991S 4W
Figure 4. Front Panel - DM991SE 4W
•
Signaling LEDs –The meaning of each LED can be found on Table 22.
•
DB9 - The DB9 connector in the front panel is used to configure the equipment via
terminal (communication serial port). The connector pinout is found on Table 1.
Signal
DB9
Origin
Transmission RS-232
2
DM991S/SE
Reception RS-232
3
ETD
Ground signal
5
-
Table 1.
DM991S/SE - DB9 Connector Pinout
•
RJ45 - The RJ45 connector is used for the Ethernet interface. Its pinout description is
found on Table 2.
Function
Signal
RJ45
Origin
Received data: - wire
OUT -
1
DM991SE
Received data: + wire
OUT+
2
DM991SE
Transmited data: + wire
IN+
3
LAN
Transmited data: - wire
IN -
6
LAN
Table 2.
DM991SE - RJ45 Connector Pinout
•
Keys - The keys function is the testing execution:
o
LAL (Local Analogue Loopback)
o
LDL (Local Digital Loopback)
o
LDR (Local Digital Remote)
2.1.2. Back Panel
Figure 5 represents the back panel of the DM991S/SE modems (Telebrás standard sub-rack):
Figure 5. DM991S/SE Back Panel
•
For the DB25 connector pinout, see table 11 in the chapter on the V.35 interface.
Summary of Contents for DM991C
Page 1: ...DM991 SERIES V DM991C DM991CE DM991S DM991SE PRODUCT MANUAL 204 4092 08 rev 08 Date 8 12 2008 ...
Page 66: ...Product Manual DM991 Series V Family 204 4092 08 66 Figure 31 LDL Test Converter Mode ...
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