Installing and putting a TIM into operation
5.4 Options for attachment and settings of the TIM 3 and TIM 4 variants
SINAUT ST7 Station control system - System Manual
System Manual, 05/2007, C79000-G8976-C178-06
183
Table 5-19 Default settings for terminating resistors at the WAN end
Attachment type
Baud rate
Setting on
DIL switch
Remark
1200 bps
2400 bps
2))
21
The MD2 is located at the beginning or
end of a 2-wire or 4-wire line and is set
to a transmission speed of 1200 or
2400 bps
End point
2-wire (channel 1)
2 x 2-wire (channel
1+2)
4-wire
9600 bps
19200 bps
2))
21
End point as above but with
transmission speed set to 9600 or
19,200 bps
1200 bps
2400 bps
2))
21
The MD2 is not located at the
beginning or end of a 2-wire line; it
taps into this 2-wire line along the way
with high resistance. The transmission
speed is set to 1200 or 2400 bps
Tapping point
2-wire (channel 1)
9600 bps
19200 bps
2))
21
End point as above but with
transmission speed set to 9600 or
19,200 bps
Tapping point
4-wire
1200 bps
2400 bps
9600 bps
19,200 bps
2))
21
The MD2 is not located at the
beginning or end of a 4-wire line; it
taps into this 4-wire line along the way
with high resistance.
Transmission speeds and frequencies of the MD2 modem
Table 5-20 Transmission speeds and frequencies of the MD2 modem
Transmission
speed (bps)
Center frequency
[Hz]
Frequency
deviation Δf (Hz)
Lower keying
frequency (Hz)
Upper keying
frequency (Hz)
1200
1700
400
1300
2100
2400
2850
450
2400
3300
9600 / 19,200
27,200
6400
20,800
33,600