RAD Data comm E1/T1 사용자 설명서

FCD-IPM Installation and Operation Manual 

Chapter 1  Introduction 

 

Technical Specifications 

1-13 

: Loop start, WINK start (reverse polarity) 

for connection to a 2-wire telephone 
exchange subscriber line 
Nominal level: 0 dBm 
Nominal impedance: 600Ω 
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 

Remote analog loopback towards the remote 
side, activated from local side 
1kHz tone injection towards analog side 
Activity indicators 

ISDN BRI, “S” and “U” 

ETS 300012 
I.430 
NT1 
5ESS 
DMS-100 
NI1 

Frame Relay – RFC 1490 
PPP and MLPPP 

STATIC 
RIP-1 
RIP-2 
RIP/SAP 
OSPF