| Item |
Description |
| Appearance |
|
| Board |
System control, switching,
and timing boards:
CSHD
|
|
Packet
functions
and features
|
Service features |
| Switching capacity |
7.2 Gbit/s |
|
Equipment-level
protection
|
1+1 protection
for input power
|
|
Intelligent fan
speed adjustment
|
Supports automatic adjustment
s of fan speeds
based on the highest
temperature of boards in the chassis.
|
|
Management ports
and auxiliary
ports
|
| Port Type |
| Description |
Connector |
|
External
clock port
|
|
120-ohm external clock port,
which can work in 2048
kbit/s or 2048 kHz mode
|
RJ45 |
|
External
time port/Port
for monitoring an
outdoor cabinet
|
|
External time port: The equipment provides
two external time input/output ports.
|
RJ45 |
|
Power
supply port
|
| Two -48/-60 V DC power ports |
4-pin terminal
block
|
|
NMS
management
port
|
|
NMS port/NMS serial port,
which connects to an NMS
|
RJ45 |
|
Alarm
input/output
port
|
| 3-input/1-output alarm port |
RJ45 |
