9
Ports
Introduction to the IDU 905 Equipment
Ports on the IDU 905 1C
3
Ground screw
DC-C power socket (Caution!
See "Precautions for
Handling Power Cables.")
NE status indicator
USB port
FE/GE service electrical
ports (RJ-45 connectors)
GE/FE service ports
(SFP modules)
T DM service
concatenation ports
1
2
3
5
IF port to the ODU/
XPIC input/output
ports
6
Radio link status
indicator
7
8
Status indicators of
the GE/FE service
ports (SFP modules)
9
USB port status
indicator
10
11
12
NMS port/NMS
serial port
NE cascading port/
Asynchronous data port
Clock port (CLK)/High-precision
time port (T OD)/Outdoor cabinet
monitoring port (MON)
16
17
16xE1 ports
4
Alarm input/output port
13
14
15
1
2
3
4
5
6
7
8
9
10
11
13
16
12
14
15
17
Port for the ESD wrist
strap
ST M-1 service ports
1+1/T DM service
concatenation ports
Ports on the IDU 905 1E
4
Ground screw
DC-C power socket (Caution!
See "Precautions for
Handling Power Cables.")
NE status indicator
1
2
3
Mini USB port
FE/GE service electrical
ports (RJ-45 connectors)
GE/FE service ports
(SFP modules)
ST M-1 service ports
5
IF port to the ODU/
XPIC input/output
ports
6
Radio link status
indicator
7
8
Status indicators of
the GE/FE service
ports (SFP modules)
9
USB port/Status
indicator
10
11
12
NMS port/NMS serial
port
NE cascading
port/Asynchronous
data port
Clock port (CLK)/High-precision
time port (T OD)/Outdoor cabinet
monitoring port (MON)
16
17
16xE1 ports
4
Alarm input/output port
13
14
15
COMBO ports
Port for the ESD wrist
strap
MN1 subboard
LINK
L/A5
L/A6
OptiX RTN 905
STAT
SRV
PWRA
PWRB
(+)
(-)
(-)
NEGA RTNA NEGB RTNB
(+)
-48V; 5A
OAM
USB
CLK/TOD/MON
GE2
GE1
GE3
ALMI/ALMO
GE4
NMS/COM
EXT/S1
GE5
OUT
IN
IN
OUT
GE6
MN1
1
—
COMBO
—
2
STAT
SRV
1
—
STM-1
—
2
OUT
OUT
OUT
OUT
OUT
OUT
OUT
LOS1
L/A7
L/A7
IN
IN
IN
IN
LOS2
E1
（
1-16
）
HUAWEI
1E
WARNING
-48V OUTPUT
TURN OFF POWER BEFORE
DISCONNECTING IF CABLE
!
ACT
1
2
3
4
5
6
7
8
9
10
11
13
16
12
14
15
17
18
19
18
19
18
19
18
19
