ATL Telecom AM200 User Manual
Page 4
ATL User Guide
AM200 Modem
4
G703 connected to an Unexposed Environment:
Tx 75ohm BNC connection has a safety status of EARTHED SELV.
Rx 75ohm BNC connection has a safety status of UNEARTHED SELV.
120ohm 8WAY RJ45 connection has a safety status of UNEARTHED SELV
For the DC version, the M3 stud on the rear panel MUST be connected to ground.
G703 connected to an Exposed Environment:
Tx 75ohm BNC connection has a safety status of EARTHED TNV-1.
Rx 75ohm BNC connection has a safety status of UNEARTHED TNV-1.
120ohm 8 WAY RJ45 connection has a safety status of UNEARTHED TNV-1.
For the DC version, the M3 stud on the rear panel MUST be connected to ground.
Safety Status Classification of non-traffic PORTS
Mains Input - IEC320 85Vrms - 250Vrms 50/60Hz connection has a safety status of PRIMARY CIRCUIT.
DC Input - TNV-2
Management Port Interface - 9 WAY FEMALE D-Type connection has a safety status of EARTHED SELV.
Definitions
Exposed Environment
A TELECOMMUNICATIONS NETWORK is considered to be an exposed environment if one or more conditions
for an unexposed environment are not fulfilled.
Unexposed Environment
A TELECOMMUNICATIONS NETWORK is considered to be an unexposed environment if the following
conditions apply to all parts of the network
a)
The possible effect of indirect lightening has been reduced by measures described in IEC 61312-1.
b)
The possibility of having different earth potentials has been reduced by connecting all equipment
within the network to the same equipotential bonding system.
c)
The possibility of power cross/contact has been reduced.
d)
The possibility of induced transients and voltages has been reduced.
Manufacturers Declaration*
ATL Telecom Limited declares that this product is in conformity
with the essential requirements of the 'R&TTE directive 1999/5/EC'.
*A copy of the Declaration of Conformity is available upon request from ATL Telecom Ltd.