889-3819-00
MMU2-1600GE series Operations Manual Rev Apr 2020 Page
40
of 51
Type I and J
require 1 channel for each protected left turns (1, 3, 5,7) and 4 channels for the 4 FYAs.
The MMU2 uses 16 channels to monitor the 8 phases and 4 Peds. This leaves 0 MMU2 channels
available. Type I and J uses the opposing Ped Yellow for the FYA. Type I the MMU2 monitors and
displays the opposing Ped Yellows on channels 9G, 10G, 11G and 12G. Type F the MMU2 monitors
and displays the opposing Ped Yellows on channels 13G, 14G, 15G and 16G.
Type K and L
require 1 channel for each protected left turns (1, 3, 5, 7) and 4 channels for the 4
FYAs. Type K assigns the Green of channels 9,10,11,12 as FYAs. Type L assigns the Green of
channels 13,14,15,16 as FYAs. The MMU2 all 16 channels to monitor the 8 phases and 4 Peds. There
is less cabinet rewiring, because the protected phase remains in 1, 3, 5, 7.
13
2 5
14
4
7RYG
15
6
8
3RYG
16
RYG
12G
11G
10G
1
RYG
9G
9
2 5
10
4
7RYG
11
6
8
3RYG
12
RYG
16G
15G
14G
1
RYG
13G
13
2 5
14
4
7RYG
15
6
8
3RYG
16
RYG
12G
11G
10G
1
RYG
9G
9
2 5
10
4
7RYG
11
6
8
3RYG
12
RYG
16G
15G
14G
1
RYG
13G
Type I
Type J
