job
Aid
D
ESCRIPTION
The MX2820 19-Inch Chassis (P/N 1186001L1) houses multiple M13
multiplexers that consolidate T1/E1 signals into T3 circuits. The
chassis houses seven redundant M13 multiplexers. The chassis also
houses a single System Controller Unit (SCU) that provides
management capabilities to the MX2820 system.
Features of the MX2820 system include the following:
•
1-to-1 redundancy
•
Hot-swappable MUX cards
•
Embedded SNMP and Telnet management
•
Simplified configuration through the VT100 terminal menu
structure
•
Meets the requirements for NEBS Level 3 compliance
T
URN
-U
P
S
TEPS
After unpacking the unit, inspect it for damage. If damage is noted,
file a claim with the carrier and then contact ADTRAN. Refer to
Warranty.
1. Attach mounting ears.
2. Attach cable tie bar, if necessary.
3. Mount chassis in rack.
WARNING
!
Care should be taken not to upset the stability of the equipment rack.
4. Remove appropriate fuses from fuse panel.
5. Remove metal cover from the right side of the back panel.
NOTE
Silk-screen on the metal cover references the following connections.
6. Wire wrap
CHN
posts and
MIN
alarm relay posts and then
route the wire downward.
7. If STS-1, wire wrap
CLKB
and
CLKA
posts and then route the
wire downward.
8. Wire wrap
ACO
posts and then route the wire downward.
9. Wire wrap
AUX1
,
AUX2
, and
AUX3
alarm input posts and
then route the wire downward.
10. Wire wrap
MAJ
and
CRIT
alarm posts and then route the wire
downward.
MX2820
19-Inch Chassis
11. Connect the frame ground on the barrier strip.
NOTE
Refer to the
Safety and Regulatory Compliance Notice
(P/N 61186001L1-17) for this product when connecting the frame
ground.
12. Connect
RET B
,
PWR B
,
RET A
, and
PWR A
on the barrier
strip.
NOTE
PWR = Respective –48 VDC or ±24 VDC source, RET = respective
return
13. Insert the appropriate fuses into the fuse panel.
14. Using a voltmeter, verify that the operating voltage is within
specifications for A and B power.
15. Remove appropriate fuses from panel and replace the metal
cover that was removed in step 5.
16. Insert appropriate fuses into panel, and if not done in step 2,
attach cable tie bar.
17. Connect 10/100Base-T Ethernet and NTWK MGMT X.25
interfaces.
18. Route DSX-3 coax and tie to upper tie bar.
19. Route DSX-1 IN cables below upper tie bar and tie to upper tie
bar.
20. Route DSX-1 OUT cables beneath lower tie bar and tie to lower
tie bar.
O
PERATIONAL
S
PECIFICATIONS
•
Electrical
o
Operating Voltage
I
–48 VDC Systems: –42 VDC to –56 VDC
I
–24 VDC Systems: –22 VDC to –27 VDC
I
+24 VDC Systems: +22 VDC to +27 VDC
•
Environmental
o
Operational Temperature Range: –40°C to +65°C
I
Without Fans: –40ºC to +50ºC
I
With Fans: –40°C to +65°C
o
Storage Temperature Range: –40°C to +85°C
o
Relative Humidity: up to 95%, noncondensing
CLEI: M3M1R00B_ _
Product P/N: 1186001L1
Issue Date: January 2012
Document P/N: 61186001L1-22D
C
R
A
F
T
1186003
SCU
ACO
ALM
ACT
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
1A
CLKB
CLK A
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
1B
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
2A
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
2B
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
3A
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
3B
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
4A
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
4B
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
5A
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
5B
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
6A
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
6B
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
7A
1186002
MUX
ALM
ACT
TEST
STAT
TEST
STAT
DS1
DS3
7B
1186011
CLK
1186011
CLK
MX 2820
1186001L1
USE C
O
PPER
C
O
NDUC
T
O
RS ONL
Y
USE COPPER
CONDUCTORS ONLY
-48V , 3.75A
7
DSX-3
OUT
IN
6
DSX-3
OUT
IN
5
DSX-3
OUT
IN
4
DSX-3
OUT
IN
3
DSX-3
OUT
IN
2
DSX-3
OUT
IN
1
DSX-3
OUT
IN
R8
R7
R6
R5
P4
P6
N
C
C
N
O
C
N
O
M
I
N
N
C
C
N
O
+
–
N
H
C
T
R
S
T
R
S
A
U
X
1
A
U
X
2
A
U
X
3
A
C
O
P
W
R
A
R
E
T
A
P
W
R
B
R
E
T
B
J2
J1
TB1
CLKB
R4
R10
R1
D1
R2
R9
R3
D4
D3
D2
7 OUT
(T1/R1)
6 OUT
(T1/R1)
5 OUT
(T1/R1)
4 OUT
(T1/R1)
3 OUT
(T1/R1)
2 OUT
(T1/R1)
1 OUT
(T1/R1)
7 IN
(T1/R1)
6 IN
(T1/R1)
5 IN
(T1/R1)
4 IN
(T1/R1)
3 IN
(T1/R1)
2 IN
(T1/R1)
1 IN
(T1/R1)
Front
Rear
