Figure 7-7. Mx2820 Clka And Clkb Terminal Connections To External Clock Source; Wire Wrap Aco Posts; Wire Wrap Aux3, Aux2, And Aux1 Alarm Input Posts - ADTRAN MX2820 System Manual

Figure 7-7. MX2820 CLKA and CLKB Terminal Connections to External Clock Source

Wire Wrap ACO Posts

1. Measure and cut three pieces of wire long enough to reach from the
on the MX2820 backplane to the external office alarm equipment.
2. Use the wire strippers to strip 1 inch to 2 inches from both ends of each wire.
3. Use the wire-wrap tool to wrap the strands on the ACO input posts (see
follows:
a. Wire wrap one strand to the lowest ACO post, and route wire downward.
b. Wire wrap one strand to the highest ACO post, and route wire downward.
4. Route the wires to the external office alarm equipment, and connect the wires according to
local instructions.

Wire Wrap AUX3, AUX2, and AUX1 Alarm Input Posts

1. Measure and cut six pieces of wire long enough to reach from the
alarm input posts on the MX2820 backplane to the external office alarm equipment.
2. Use the wire strippers to strip 1 inch to 2 inches from both ends of each wire.
3. Use the wire-wrap tool to wrap the strands on the AUX3, AUX2, and AUX1 alarm input
posts (see Figure
61186003L1-1D
Section 7, User Interface Guide - DLP-506, Connect MX2820 Wire-Wrap Posts
External Clock Source
+
-
S
+
-
S
P4
1 IN
(T1/R1)
7-6) as follows:
C
TIP
L
RNG
K
SHLD A
TIP
C
L
RNG
K
SHLD
B
R8 R6
A
U
X
R7 R5
1
P6
N
J1
A
C
U
X
2 C
M
A I
N
N
U
O
X
3 N
C T
C
A
N
C R
C
O
O
N
S
TB1
O
T
P +
W
–
R R
A
S
N
R
H
E CLKB
C
T
R4
A
D3
D2
P
W
R
B
R10
R
E
T
R1 D1
B
R9 R2
J2
MX2820 Backplane
wire-wrap posts
ACO
Figure 7-6) as
, and
AUX3 AUX2 AUX1
7-39