Adtran 3458-poe Manuale Hardware

Unit Installation

NetVanta 3000 Series Hardware Installation Guide

61200860L1-34AA

Installing the 3G CDMA NIM Antennas

The optional 3G CDMA NIM is installed into the rear panel of the base unit following the instructions on
page 87. The 3G NIM ships with two detachable dual-band dipole antennas (one primary antenna and one
diversity antenna). These must be installed before attempting to connect to a cellular network.

Figure 48

shows the antenna connectors on the 3G NIM rear panel.

Figure 48. 3G CDMA NIM Rear Panel

Notification for Devices with Detachable Antennas

The 3G CDMA NIM has been designed to operate in the 800/1900 frequency CDMA bands with the
dual-band dipole antennas shipped with the card. Antennas that do not match the following antenna
specifications are strictly prohibited for use with this device. The required antenna impedance is 50 ohms.

Table 3

describes the specifications of the primary antenna (transmit and receive).

Table 4 on page 91

describes the specifications of the diversity antenna (receive only).

Table 5 on page 91

describes the

antenna-to-antenna requirements.

To reduce potential radio interference to other users, the antenna type and its gain should
be chosen so that the equivalent isotropically radiated power (e.i.r.p.) is not more than that
permitted for successful communication.

Table 3. Primary Antenna Specifications

Description

Minimum

Maximum

Unit

Peak Antenna Gain

1.0

dBi

Average Gain

-3.0

dBi

Efficiency

-4.0 (40)

dB (%)

Polarization (Ratio Gv: Gh)

0.0

Input VSWR

2.5:1

Average Power Handling

2.0

watts

ANT1

ANT2

3G NIM (CDMA)

WWAN

RSSI

1xRTT

EVDO

SMA Antenna
Connectors