2.11
Date Code 20090730
Instruction Manual
SEL-734 Meter
Installation
Making Rear-Panel Connections
required jumper position. Jumper
J7
is shipped from the factory in the ON
position when a modem is optioned.
shows the location of jumper
J7
on the auxiliary communication board.
Figure 2.10
J7 Internal Telephone Modem Jumper Positions
Figure 2.11
J7 Location on the Auxiliary Communication Board
The SEL-734 optional internal modem complies with Part 68 of the FCC
Rules and Regulations. The SEL-734 has a label that contains the FCC
Registration Number and Ringer Equivalence Number (REN) of the modem.
You must, upon request, provide this information to your telephone company.
The REN is useful in determining the quantity of devices you can connect to a
telephone line and still have all of these devices ring when the number is
called. In most areas, the sum of the RENs of all devices connected to one line
Table 2.2
Expansion Slot C (#1) Circuit Board Jumper J7 Information
COMMINF SW Setting
HW (J7)
Selected
232
OFF
232
485
OFF
485
232
ON
232
Modem
ON
Modem
ON
OFF
J7 ON
J7 OFF
RJ-11
Modem
J7
EIA-232
Port
EIA-485
Port
Содержание SEL-734
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