D.3 Rackmount Modem
D.3.1 The Modem Card
Before inserting the modem into the Network 16 rack, the switches and
links should be in the correct positions for the application. The rackmount
card layout is as shown below.
Figure D-4 Rackmount Card Layout
a a a
a a a
a a a
a a a
1
a a a
a a a
a a a
a a a
a a a
2
a a a
a a a
a a a
a a a
1
a a
a a
a a
a a
2
a a a a a a
a a a a a a
a a a a a a
a a a a a a
LK 3
a a a a a a
a a a a a a
a a a a a a
a a a a a a
LK 8
a a
a a
a a
a a
1
a a a
a a a
a a a
a a a
2
a a a a a a a a
a a a a a a a a
a a a a a a a a
a a a a a a a a
LK 10
a a a a a a a a a
a a a a a a a a a
a a a a a a a a a
a a a a a a a a a
a a a a a a a a a
a a a a a a a a a
a a a a a a a a a
Light
Panel
a a
a a
a a
a a
1
a a a
a a a
a a a
a a a
2
a a a a a a a a a
a a a a a a a a a
a a a a a a a a a
a a a a a a a a a
a a a a a a a a a
a a a a a a a a a
a a a a a a a a a
DIP
Switch
a a a
a a a
a a a
a a a
2
a a
a a
a a
a a
1
a a a
a a a
a a a
a a a
2
a a
a a
a a
a a
1
a a a
a a a
a a a
a a a
1
a a
a a
a a
a a
2
a a a a a a
a a a a a a
a a a a a a
a a a a a a
LK 5
a a a a a a
a a a a a a
a a a a a a
a a a a a a
LK 6
a a a a a a a
a a a a a a a
a a a a a a a
a a a a a a a
LK 7
a a a
a a a
a a a
a a a
1
a a a
a a a
a a a
a a a
2
a a a a a a a
a a a a a a a
a a a a a a a
a a a a a a a
LK 9
a a a a a a a a a a a a
a a a a a a a a a a a a
a a a a a a a a a a a a
a a a a a a a a a a a a
a a a a a a a a a a a a
a a a a a a a a a a a a
a a a a a a a a a a a a
Front
Buttons
a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a
DIN 41612
Connector
a a
a a
a a
a a
2
a a a
a a a
a a a
a a a
1
a a a a a a a
a a a a a a a
a a a a a a a
a a a a a a a
LK 2
a a
a a
a a
a a
2
a a
a a
a a
a a
a a
1
a a a a a a a
a a a a a a a
a a a a a a a
a a a a a a a
LK 4
D.3.2 Transmit Level Settings
These levels are selected using the DIP switch.
SW4
SW3
SW2
SW1
(–8 dBm)
(–4 dBm)
(–2 dBm)
(–1 dBm)
Example
ON
OFF
OFF
ON
Sets the modem for –9dBm for PSTN operation. For leased line use, the
transmit level will automatically be reduced by 4 dBm to –13dBm, in this
example.
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