Data Terminals (RS-232) Connected To Asynchronous Data Units
DATA RATE
● 300 bps
● 1,200 bps
● 2,000 bps
● 4,800 bps
● 9600 bps
● 19,200 bps
24-GAUGE WIRE
(0.5106 mm)
FEET
40,000
20,000
12,000
7,000
5,000
2,000
METERS
12,200
6,096
3,657
2,133
1,524
610
DISTANCE
(SEE TABLE)
ZTN82 OR
RS-232C
ADU
ZTN128
DEVICE
ADU
CALL
(ASYNCHRONOUS)
PROCESSOR CP
OR
DISTANCE
(SEE TABLE)
RS-232C
TN726
DEVICE
ADU
DATA
(ASYNCHRONOUS)
LINE CP
Figure 5-3. Asynchronous Data Unit Allowable Cable Distances, In-Building Only
5-8