FCD-IPM Installation and Operation Manual Chapter 1 Introduction
Technical Specifications 1-13
FXO: Loop start, WINK start (reverse polarity)
for connection to a 2-wire telephone
exchange subscriber line
Nominal level: 0 dBm
Nominal impedance: 600
Return loss (ERL): Better than 18 dB
Frequency response: (Ref: 1020 Hz)
±0.5 dB, 300 to 3000 Hz
±1.1 dB, 250 to 3400 Hz
Signal to total distortion, G.712, G.713
method 2:
0 to –30 dBm0, better than 33 dB
+3 to –45 dBm0, better than 22 dB
Idle channel noise: Better than –70 dBm0
(+20 dBrnc)
Transformer isolation: 1500 VRMS
Diagnostics Remote analog loopback towards the remote
side, activated from local side
1kHz tone injection towards analog side
Activity indicators
ISDN Interfaces ISDN BRI, “S” and “U”
Compliance ETS 300012
I.430
NT1
5ESS
DMS-100
NI1
WAN Protocols Types Frame Relay – RFC 1490
PPP and MLPPP
Routing Types STATIC
RIP-1
RIP-2
RIP/SAP
OSPF