Lightning and Surge Protector Selection Charts
Data Transmission and Lightning Protection for Exposed Cable
|
Port
|
Pins
(Protected) |
Connector
|
Ground
|
Rating
|
Stages
Per Line |
Remarks
|
Model
|
Price
|
| RS-232 |
2,3,7 |
DB25 |
Screw |
1500W |
2(GT+AD) |
Reversible- 3 independent circuits:<5
Ohm |
24 |
$68 |
| Short Haul, RS-232 |
T+, T-
R+,R- |
Screw R+,R-
RJ-11 |
Screw Terminal |
1500W |
3(GS+AD+MOV) |
22=Screw Terminals; 22P=RJ-12;<38.4kbps;4circuits;±14
Volts |
22
8022
22P |
$75
$139
$75 |
| RS-422 |
T+, T-
R+,R- |
Screw |
Screw Terminal |
1500W |
2(GT+AD) |
4 Wire; Up to 5 MBPS;
Output limited to ±7.5 Volts |
22NX
8021NX
8022NX |
$69
$75
$125 |
50 Line
Data PBX |
All 50 |
Telco 50 Pin Champ M/F |
Screw Terminals |
500W |
2(GS+AD) |
Protects RS-232 levels:16 Volt clamp;
3-nanosecond response; impulse: 1000 Amps max on PBX; <100 KBPS;
male in-female out |
342
Request
Info |
$375 |
Telephone Lightning Protection for Exposed Cable
|
Port
|
Pins
(Protected) |
Connector
|
Ground
|
Rating
|
Stages
Per Line |
Remarks
|
Model
|
Price
|
| 2-Wire Dial-Up |
Tip+Ring |
RJ-12 |
Screw Terminal |
500W |
3 |
Output ±180 Volts;<38.4 KBPS
(GT+AD+MOV) |
22PX |
$69 |
| 50-Line |
Telco 50 Pins |
Telco 50 Pin Champ M/F |
Screw Terminal |
500W |
2(GS+AD)
Terminal |
200 Volt clamp; 5 nanosecond response time;
2 Ohm resistance |
343
Request
Info |
$438 |
Hi- Speed Telco Lightning Protection for Exposed Cable
|
Port
|
Pins
(Protected) |
Connector
|
Ground
|
Rating
|
Stages
Per Line |
Remarks
|
Model
|
Price
|
| T-1 |
4 wire |
RJ-45 |
Screw Terminal |
1500W |
3(GT+2AD) |
1.5 MBPS; output limited to ±5V |
22T1 |
$69 |
| 56KB |
4 wire |
RJ-45 |
Screw Terminal |
1500W |
3(GT+2AD) |
56 KBPS; Output limited to ±3V |
2256 |
$89 |
Data Transmission Lightning Protection for Buried Cable
|
Port
|
Pins
(Protected) |
Connector
|
Ground
|
Rating
|
Stages
Per Line |
Remarks
|
Model
|
Price
|
| RS-232 |
All 24 |
DB25 M/F |
Stud |
600W |
1(AD) |
Full interface protection |
27A1 |
$48 |
RS-422
EIA-530
MIL-STD
188-114 |
All 24 |
DB25 M/F |
Stud |
600W |
1(AD) |
Full interface protection |
27A2 |
$48 |
| PC COM PORTS 386/486 |
All 9 |
DB9 M/F |
Stud |
600W |
1(AD) |
RS-232 levels; RS-422 levels; EIA-530/188-114 |
29
29-1 |
$44
$44 |
|
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