GE MDS SD Series Technical Manual page 52

44
any of the selections shown in Table 12. The table also lists
modem sensitivity ratings for the various modems. Note that
some modem choices are limited based on the model purchased.
Table 12. Modem Selection vs. Speed, Bandwidth & Sensitivity
Over-the-air
Modem Type
Speed (bps)
Selection
9600
1
Modem 9600
1 4800
Modem 4800
1, 2 3200
Modem 3200
1 9600
Modem 9600M
Modem 4800F 4800
1 9600
Modem 9600B
1 4800
Modem 4800B
1200
1
Modem BELL
Modem V23 1200
Modem 19200N 19200
Modem 19200E 19200
Modem 9600N 9600
Modem 19200 19200
Modem 38400N 38400
3 65000
Modem 65000
Modem 19200M 19200
Modem 38400E 38400
1) For MDS x710-compatible operation.
2) 3200 bps not applicable to SD4.
3) Only available for SD2 and SD9 units with wide bandwidth hardware option.
Approximate sensitivity is -104 dBm for SD2 and -95 dBm for SD9.
4) SD1 sensitivity may be up to 2 dB less, due to MDS 1710 interoperability
constraints.
•
Transmit/Receive Frequency
may be viewed or set here. If no frequencies have been entered,
the fields will be blank and the radio's
cating that an entry is needed. Frequencies must be entered for the
radio to operate. Consult your station license to determine the
authorized frequencies for your system, and enter them exactly as
listed.
SD Series Technical Manual
B/W (kHz) Approximate
Sensitivity
12.5 -112 dBm
12.5 -112 dBm
5.00 -108 dBm
12.5 -106 dBm
6.25 -108 dBm
12.5 -106 dBm
12.5 -110 dBm
12.5 -110 dBm
12.5 -110 dBm
12.5 -100 dBm
12.5 -96 dBm
6.25 -98 dBm
25.0 -105 dBm
25.0 -99 dBm
50.0 See note 3
25.0 -106 dBm
25.0 -97 dBm
—The receive and transmit frequencies
LED will flash, indi-
PWR
MDS 05-4846A01, Rev. H
ETSI
4 Compliance
X
X
X
X
X