Nortel Networks Circuit Card 사용자 설명서
NT5D60/80 CLASS Modem card (XCMC)
Page 315 of 906
Bell 202 standard. The transmission is implemented by the appropriate PCM
equivalent of 1200 or 2200 Hz.
equivalent of 1200 or 2200 Hz.
Upon completion of transmitting the CND data, the CLASS Modem card
sends a message to the system software to indicate successful transmission of
the CND data.
sends a message to the system software to indicate successful transmission of
the CND data.
Eight modems can be associated with each module. Table 109 shows time
slot mapping for the CLASS modem card.
slot mapping for the CLASS modem card.
Table 109
Time slot mapping (Part 1 of 2)
Time slot mapping (Part 1 of 2)
XCMC mapping of TNs
Modem units on the CLASS
Modem card
TNs
DS30X
timeslot
00
01
02
03
01
02
03
00
01
02
03
01
02
03
module 0, 00
01
02
03
02
03
04
05
06
07
05
06
07
04
05
06
07
05
06
07
04
05
06
07
05
06
07
08
09
10
11
09
10
11
08
09
10
11
09
10
11
module 1, 00
01
02
03
02
03