Installing and putting a SINAUT modem into operation
6.4 MD2 dedicated line modem
SINAUT ST7 Station control system - System Manual
System Manual, 05/2007, C79000-G8976-C178-06
247
Setting on DIL switch
Meaning
2))
21
Reset "Test receive" off / normal transmit level *)
Depending on the selected mode, this switch has two meanings:
In the "Test receive" mode, this switch setting has no function.
In all other modes, the transmit level for operation of the modem on
normal dedicated lines is set depending on switch S1 (5-pin DIL
switch) to 0 dB (S1 = ON) or –6 dB (S1 = OFF).
2))
21
Reset "Test receive" on / reduced transmit level *)
Depending on the selected mode, this switch has two meanings:
In the "Test receive" mode, the test operation can be reset.
In all other modes, the transmit level for operation of the modem on
telephone company leased lines is reduced. Depending on switch S1
(5-pin DIL switch), the transmitter level is then set to
–9 dB (S1 = ON) or to –15 dB (S1 = OFF).
*) For detailed explanations of the squelch function and "Reset Test receive", refer to Chapter 4 of the MD2 Modem Description 6NH7811-
0AA21 that can be ordered separately.
6.4.3
Connectors and configuration switches accessible from below
The following figure shows the MD2 modem from below with the X3 RJ-12 Western jack, the
DIL switch for activating the RS-232 or RS-485 port and the DIL switch for activating the
WAN terminating resistors.