GE Security EST3 Installation And Service Manual page 345

Table B-1: Maximum branch length with 0 SIGA-UMs configured for 2-wire smokes
Signature Signature
detector module
addresses addresses
1–25 0
26–50 0
51–75 0
76–100 0
101–125 0
0 1–25
1–25 1–25
26–50 1–25
51–75 1–25
76–100 1–25
101–125 1–25
0 26–50
1–25 26–50
26–50 26–50
51–75 26–50
76–100 26–50
101–125 26–50
0 51–75
1–25 51–75
26–50 51–75
51–75 51–75
76–100 51–75
101–125 51–75
0 76–100
1–25 76–100
26–50 76–100
51–75 76–100
76–100 76–100
101–125 76–100
0 101–125
1–25 101–125
26–50 101–125
51–75 101–125
76–100 101–125
101–125 101–125
EST3 Installation and Service Manual
Maximum allowable wire distance using non-twisted, non-shielded wire pairs
18 AWG
m
ft
7437 2267
7038 2145
6638 2023
6238 1901
5839 1780
7267 2215
6867 2093
6467 1971
6068 1849
5668 1728
5268 1606
6697 2041
6297 1919
5897 1798
5498 1676
5098 1554
4698 1432
5906 1800
5250 1600
4633 1412
4051 1235
3498 1066
2973 906
3931 1198
3404 1037
2899 883
2413 735
1945 593
1493 455
2631 802
2165 660
1713 522
1274 388
847 258
431 131
16 AWG
ft m
11815 3601
11180 3408
10545 3214
9910 3021
9275 2827
11544 3519
10909 3325
10275 3132
9640 2938
9005 2745
8370 2551
10639 3243
10004 3049
9369 2856
8734 2662
8099 2469
7464 2275
9383 2860
8340 2542
7360 2243
6435 1961
5558 1694
4723 1440
6245 1903
5407 1648
4605 1404
3833 1168
3089 942
2371 723
4180 1274
3439 1048
2721 829
2023 617
1345 410
685 209
System calculations
14 AWG
ft m
18792 5728
17782 5420
16772 5112
15762 4804
14752 4497
18361 5597
17351 5289
16342 4981
15332 4673
14322 4365
13312 4057
16921 5157
15911 4850
14901 4542
13891 4234
12881 3926
11871 3618
14923 4549
13265 4043
11707 3568
10235 3120
8839 2694
7512 2290
9932 3027
8601 2621
7324 2232
6096 1858
4913 1498
3771 1149
6649 2027
5470 1667
4328 1319
3218 981
2140 652
1089 332
B.7