4b
Front View of the IDU 905 2E
e
Ground screw
DC-C power socket
(Caution! See "Precautions
for Handling Power
Cables.")
NE status indicator
1
2
3
1
2
3
4
5
6
7
8
9
10
11
13
16
12
14
15
17
19
18
Mini USB port
5
IF ports to the
ODU/ODU switches
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 (TOD)/Outdoor cabinet
monitoring port (MON)
4
Alarm input/output
port
Power ov er Ethernet
port
GE/FE service ports
(SFP modules)
STM-1 serv ice ports
16
17
16xE1 ports
13
14
15
18
COMBO ports
Port for the ESD wrist
strap
19
MN1 subboard
20
FE/GE service
electrical ports (RJ-45
connectors)
20
