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DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si
555-230-127
Issue 1
August 1997
Maintenance Architecture
Page 1-12Protocols
1
Table 1-4. Protocols Used in DEFINITY
Protocol Applications
Maximum
Data Rate Maximum Distance
DCP Digital switch to data
endpoints
64 kbps 5000 feet (1524 m) for data
3000 feet (915 m) for voice
RS-232 System to administration
terminal. Data module to
host computer
Data module to printer
Data module for
downloading and
high-speed data transfer
EIA interface
(Data line to ADU)
19.2 kbps
64 kbps
64 kbps
19.2 kbps
9.6 kbps
4.8 kbps
2.4 kbps
1.2 kbps
0.3 kbps
50 feet (15.2 m)
17 feet (5.9 m)
17 feet (5.9 m)
2000 feet (610 m)
5000 feet (1524 m)
7000 feet (2130 m)
12,000 feet (3654 m)
20,000 feet (6100 m)
40,000 feet (12200 m)
RS-449 Processor Interface to
Processor Interface
19.2 kbps
9.6 kbps
4.8 kbps
2.4 kbps
200 feet (61 m)
400 feet (122 m)
800 feet (244 m)
1600 feet (488 m)
SSI 715 BCS-2 to Processor
Interface
500 series printers to
Processor Interface
56 kbps 5000 feet (1524 m)
BISYNC Processor Interface line
controller to host
computer for terminal
emulation (9.6 kbps)
2.4 kbps
4.8 kbps
9.6 kbps
BX.25 Communication interface
to MSA, DCS, ISDN, or
AUDIX
9.6 kbps
SDCPI Data module to Processor
Interface
64 kbps 17 feet (5.9 m)
RS-366 Host computer to ACU
Data module to ACU 64 kbps
50 feet (15.2 m)
17 feet (5.9 m)
V.35 Data module to data
endpoints
56 kbps 50 feet (15.2 m)
Continued on next page