Data Terminals (RS-232) Connected To Asynchronous Data Units

DATA RATE

 

24-GAUGE WIRE

 

 

 

 

(0.5106 mm)

 

 

 

 

 

 

 

 

FEET

METERS

 

 

 

 

 

 

 

 

300 bps

 

40,000

12,200

1,200

bps

 

20,000

6,096

2,000

bps

 

12,000

3,657

4,800

bps

 

7,000

2,133

9600

bps

 

5,000

1,524

19,200 bps

 

2,000

610

 

 

 

 

 

RS-232C

DEVICE

(ASYNCHRONOUS)

DISTANCE

(SEE TABLE)

ADU

ADU

ZTN82 OR

ZTN128

CALL

PROCESSOR CP

RS-232C

DEVICE

(ASYNCHRONOUS)

OR

DISTANCE

(SEE TABLE)

ADU

TN726

DATA

LINE CP

Figure 5-3. Asynchronous Data Unit Allowable Cable Distances, In-Building Only

5 - 8

Page 405
Image 405
AT&T AT&T manual Data Terminals RS-232 Connected To Asynchronous Data Units, Data Rate Gauge Wire, Feet Meters