Raymar MOT202TSA, Руководство пользователя

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Installing the Modem
Page 16
Jumper S5
−
Transmit Carrier
Settings: Control ( default )
Constant
Jumper S5 places the transmitter under terminal control (default) or
turns on the transmitter continuously in a 2-wire half duplex system.
Jumper S6
−
Local Copy
Settings: Enabled
Disabled (
default )
Jumper S6 must be left in the default position of Disabled when
operating on a 4-wire network. It is also normally left in the default
Disabled position when operating on a 2-wire network. Strapping this
jumper as Disabled inhibits the local receiver from receiving the
transmission of the local transmitter.
Jumper S8
−
Signal and Earth Ground
Settings:
Connected
Separate (
default )
Jumper S8 allows Earth GND to be tied to the modem system GND.