Vaisala Hydromet Data Collection Platform - Manual (Page 358)

User's Guide ______________________________________________________________________
356 _________________________________________________________________ M210933EN-C
Table 86 Leased Line Modem Interface
Property Description/Value
Modem compatibility V.21 300/300 bps FSK, V.22 1200/1200
DPSK and V.23 1200/1200 bps FSK.
2- or 4-wire, point-to-point or multi-point
Transient protection 350 V surge arrestor, PTC-fuses, sidactor
Isolation 1500 V
Connector 4-pos screw terminal
Table 87 Leased Line Modem Mechanical Specifications
Property Description/Value
Housing material EN AW-1050A aluminum, gray anodized
Housing classification IP30 (NEMA 1)
Dimensions w × d × h 25 Ч 80 Ч 76 mm
(1.0 Ч 3.1 Ч 3.0 in.)
Weight 94 g (3.3 oz.)
Table 88 Leased Line Modem Environmental Specifications
Property Description/Value
Operating temperature -40 °C ... +55 °C (-40 ... +131 °F)
Storage temperature -60 °C ... +75 °C (-76 ... +167 °F)
Humidity 5 to 95 % RH, non-condensing
EMC EN 55022
Immunity
ESD
EN 61000-4-2, contact dis. 4kV, air dis. 8kV
RF field EN 61000-4-3
Fast transient bursts (EFT) EN 61000-4-4
Transient surges
EN 61000-4-5
Conducted RF EN 61000-4-6
Vibration IEC 68-2-64 Fh, 10 ... 500 Hz, up to 2.0 G
Free fall IEC 68-2-32 Ed, fall height 1000 mm
Cold IEC 68-2-1, -40 °C 16 hours
Heat IEC 68-2-2, +55 °C 16 hours
Slow change of
temperature, 1°C/min IEC 68-2-14, -40 °C ... +55 °C, two cycles