Tyco SafeLINC 4100U Manual Do Utilizador

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5-12
 
 
 
•  655-158 Transient Suppressor (ordered as part of 748-599) is required for each  
modem-to-telephone line connection. 
From Modem
8
5
Grn
Telephone Line
1
4
7
6
2
3
 
Figure 5-8. The Transient Suppressor 
 
Maximum wiring distances are shown in the Table below and in Appendix J. 
Table 5-2. Wiring Distances 
Media Type 
Size 
Data Rate 
Max Distance 
57.6 kbps 
7,000 ft (2,134 m) 
24 AWG 
(0.2047 mm
2
)
 
9.6 kbps 
12,000 ft (3,658 m) 
57.6 kbps 
10,000 ft (3,048 m) 
Wired 
18 AWG 
(0.8231 mm
2
)
 
9.6 kbps 
17,000 ft (5,182 m) 
50/125 um 
57.6 or 9.6 kbps 
10,000 ft (3,048 m) 
Optical Fiber 
62.5/125 um 
57.6 or 9.6 kbps 
15,000 ft (4,572 m) 
57.6 kbps 
50 ft (15 m) 
RS-232 
18 AWG 
(0.8231 mm
2
)
 
9.6 kbps 
300 ft (91 m) 
 
Notes: 
•  The characteristics for 0.75 mm
2
 are shown in Appendix J. 
•  18 AWG (0.8231 mm
2
) fire-rated twisted, shielded pair must not exceed 58 
pF per foot and be less than or equal to 6.385 Ohms per 1,000 feet (305 m). 
•  24 AWG (0.2047 mm
2
)
 
twisted, unshielded telephone cable must not exceed 
22 pF per foot and be less than or equal to 25.6 Ohms per 1,000 feet (305 
m). 
 
Refer to the 900-242 Field Wiring Specifications or 900-143 Fiber Tutorial for additional 
NIC wiring information. 
 
Continued on next page 
Step 4. Wiring Network Cards, 
Continued 
Wiring Distances 
Related 
Documentation 
Transient Suppressor Assembly (655-158) 
added to RJ-31x as shown. If connecting to a 
terminal block, cut off one end of the cable. 
Strip back the cable to connect the two center 
wires, normally red and green, to the red and 
green wires in the block.