NMS/COM
EXT/S1
CLK/TOD/MON
ALMI/ALMO
GE1
GE2
GE3
GE4
GE5
GE6
TDMA
TDMB
OptiX RTN 905
1 A
STAT
SRV
PWRA
PWRB
LINK
L/A5
L/A6
USB
ESD
RTNB
(+)
NEGB
(-)
RTNA
(+)
NEGA
(-)
-48V
-60V
OUT
IN
OUT
IN
USB
E1(1
～
16)
8
Ports
Introduction to the IDU 905 Equipment
Ports on the IDU 905 1A
1
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
Ports on the IDU 905 2A
2
1
2
3
4
5
6
7
8
9
10
11
13
16
17
1
2
3
5
IF port to the ODU
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
Port for the ESD wrist
strap
Ground screw
DC-C power socket (Caution!
See "Precautions for
Handling Power Cables.")
NE status indicator
ODU power switch
USB port
FE/GE service electrical
ports (RJ-45 connectors)
GE/FE service ports
(SFP modules)
T DM service
concatenation ports
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
IF port to the ODU
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)
14
15
16
17
16xE1 ports
18
Port for the ESD wrist
strap
4
12
Alarm input/output port
13
14
14
15
15
Alarm input/output port
13
