Nortel NT1R20 Description page 24

xxiv List of tables
553-3001-105 Standard 5.00 June 1999
Table 73
Integrated services digital line card—environmental specifications . .
Table 74
Integrated services digital line card—backplane pinouts . . . . . . . . . .
Table 75
16-port message waiting analog line card—
line interface unit electrical characteristics . . . . . . . . . . . . . . . . . . . . .
Table 76
16-port message waiting analog line card—
maximum number of ringers per directory number loop . . . . . . . . . . .
Table 77
16-port message waiting analog line card—power requirements . . . .
Table 78
16-port message waiting analog line card—
environmental specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 79
16-port message waiting analog line card—backplane connections . .
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