User manual

Page 46
DataFW4 / DATAREG
User Manual
Bär Industrie-Elektronik GmbH ⋅ Rathsbergstr. 23 ⋅ D-90411 Nürnberg ⋅ Phone [phone] ⋅ Fax [phone]
2.7 Modem
Figure 12, Modem
See the modem manual for information
about the modem.
The integrated fully automatic slot-in analog modem functions according to the CCITT
recommendation V.21 and V.22bis in full duplex mode with transmission rates 300, 1200,
2400 or 9600 (LGM 28.8D1 only) baud and in half duplex mode with a transmission rate of
1200 baud (V.23: LGM 9600H1 only). Dedicated-line operation is also possible.
The modem is connected with the remote metering centre via a leased line or the telephone
network. Data interrogation is initiated by the centre.
Modem type:
• LGM 9600H1 (300, 1200 or 2400 baud)
• LGM 28.8D1 (300, 1200, 2400, 4800 or 9600 baud)
The operating mode of the modem is set via DIL switches on
the top of the housing of the slot-in modem. To set the mode
unscrew the modem and remove it from the DataFW4 housing
while the equipment is switched off.
S1/S2
S3
Figure 13, Modem DIL switches