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DNT2Mi-fp Data Network Terminal User manual
40 (60) © Nokia Corporation DN0445814
Nokia Proprietary and Confidential Issue2-0en
Data lead time
Data lead-time means the time which is needed to transfer the data from the
incoming 2M data interface of ACL2i to the outgoing 2M data interface of
DNT2Mi-fp at the other end of the line.
The lead-time of the data from ACL2i to DNT2Mi-fp depends on the line rate
selected as follows:
Table 6. 2 M data interface
Interface type G.703 (2 Mbit/s) 120-ohm symmetrical
Maximum allowed timing jitter at receiver
timing
According to ITU-T G.823
Maximum generated timing jitter at
receiver timing
According to ITU-T G.823
Frame structure According to ITU-T G.704
Relevant ETSI ONP standards ETS 300 246, ETS 300 247,
ETS 300 418, ETS 300 419
Electrical characteristics According to ITU-T G.703 2048 kbit/s
Common mode rejection 50 dB
Return loss (120 or 75 ohms;1 kHz to 4.5
MHz)
20 dB
Connector RJ-45