GE Security EST3 Installation And Service Manual page 345

Life safety system
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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

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