889-3819-00
MMU2-1600GE series Operations Manual Rev Apr 2020 Page
25
of 51
Connector B
Pin
Function (Type 16)
I/O
Function (Type 12)
I/O
A
AC Line
I
AC Line
I
B
Start-Delay Relay Common
I
Start-Delay Relay Common
I
C
Start-Delay Relay N.O. (Closed During Start Delay)
O
Start-Delay Relay N.O. (Closed During Start Delay)
O
D
Channel 12 Red
I
Channel 12 Red
I
E
Channel 11 Red
I
Channel 11 Red
I
F
Channel 9 Red
I
Channel 9 Red
I
G
Channel 8 Red
I
Channel 8 Red
I
H
Channel 7 Red
I
Channel 7 Red
I
J
Channel 6 Red
I
Channel 6 Red
I
K
Channel 5 Red
I
Channel 5 Red
I
L
Channel 4 Red
I
Channel 4 Red
I
M
Channel 2 Red
I
Channel 2 Red
I
N
Channel 1 Red
I
Channel 1 Red
I
P
Spare 1
-
Spare 1
-
R
+24V Monitor II
I
+24V Monitor II
I
S
External Watchdog (Spare 2)
I
External Watchdog (Spare 2)
I
T
Channel 13 Red
I
Channel 13 Red (Type 16 Only)
I
U
Start-Delay Relay N.C. (Open During Start Delay)
O
Start-Delay Relay N.C. (Open During Start Delay)
O
V
Channel 10 Red
I
Channel 10 Red
I
W
Channel 14 Red
I
Channel 14 Red (Type 16 Only)
I
X
Channel 15 Red
I
Channel 15 Red (Type 16 Only)
I
Y
Channel 16 Red
I
Channel 16 Red (Type 16 Only)
I
Z
Channel 3 Red
I
Channel 3 Red
I
a
Red Enable
I
Red Enable
I
b
Spare 3
-
Spare 3
-
c
Local Flash Status
I
Local Flash Status
I
PORT 1 SDLC Connector
COMM PORT Connector ETHERNET Connector
Pin
Function
Pin
Function
Pin
Function
1
RX Data +
1
No Connection
1
Transmit Data +
2
Logic Ground
2
TX Data
2
Transmit Data -
3
RX Clock +
3
RX Data
3
Receive Data +
4
Logic Ground
4
No Connection
4
Not Used (Terminated)
5
TX Data +
5
Ground
5
Not Used (Terminated)
6
Logic Ground
6
No Connection
6
Receive Data -
7
TX Clock +
7
No Connection
7
Not Used (Terminated)
8
Logic Ground
8
No Connection
8
Not Used (Terminated)
9
RX Data -
9
No Connection
10
Port 1 Disable (0 VDC = Disable)
11
RX Clock -
12
Earth Ground
13
TX Data -
14
Reserved
15
TX Clock -
