DSC LE4020 Manuale di installazione - Pagina 4

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Working Voltage Range

With Battery:

Without Battery:

Battery Type:

Battery charging voltage:

Battery charge current limit:

NOTE: Battery must be replaced every 3 to 5 years.

NOTE: When using the battery, use DSC ADP 1310-NAU(W) or ADP 1320-NAU power adapter

Operating frequency - 3G

(UMTS/HSPA):

For LE4020 operating

frequencies, see table below.

Antenna gain:

Environmental Specifications

Operating temperature:

Humidity:

Mechanical Specifications

White cabinet dimensions:

Weight (without battery):

Red cabinet dimensions:

Weight (without battery):

Simulated Telco Loop specifications (TIP/RING)

On-Hook Voltage:

Off-Hook Voltage (Maximum):

Loop Current:

Loop Resistance:

Table 2: LE4020 Operating Frequencies

Band

Transmit Band (Tx) Receive Band (Rx)

LTE B2

1850 - 1910 MHz

LTE B4

1710 - 1755 MHz

LTE B5

824 - 849 MHz

LTE B12

698 - 716 MHz

LTE B13

777 - 787 MHz

UMTS B2 1850 - 1910 MHz

UMTS B5 824 - 840 MHz

(when power is provided by the external power adapter) 11 Vdc to 14 Vdc

sealed, rechargeable type, rated 12 V / 1.2 Ah, 12 V / 4 Ah, 12 V / 7 Ah

257.2 mm x 161.9 mm x 76.6 mm / 10.125" x 6.375" x 3.0"

295.3 mm x 258.4 mm x 77.0 mm / 11.625" x 10.175" x 3.03"

1930 - 1990 MHz

2110 - 2155 MHz

869 - 894 MHz

728 - 746 MHz

746 - 756 MHz

1930 - 1990 MHz

869 - 894 MHz

93%RH Maximum (non-condensing)

9 Vdc to 24 Vdc

(for 24 hr standby time)

13.75 Vdc

360 mA

850 MHz / 1900 MHz

2.0 dBi

0°C-49°C (32°F-120°F)

1.28 kg / 2.8 lb

2.52 kg / 5.5 lb

12 Vdc

35 Vdc

25 mA

600 Ohms