Raisecom
iTN8600-I (A) Product Description
5 Appendix
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
57
Protection switching
It is a feature of transport entities. It can transmit traffic of a
failed device or link to another device or link, which is a
bidirectional feature. After you establish M protection lines
for N (1 ≤ M ≤ N) working lines, when the working line fails,
one of the M protection lines is determined according to the
usage of locally saved protection lines and protocol signaling
transmission, to replace the working line.
R
Relative Humidity (RH)
Ratio of absolute humidity to saturated humidity in the air
within a certain period, in unit of percentage
S
Single-Mode Fiber
(SMF)
In this fiber, single-mode optical signals are transmitted.
T
Timeslot
Time is divided into periodical frames. Each frame is divided
into multiple timeslots. Each timeslot is a communication
channel which can be assigned to a user.
Topology
Topology includes routes and devices, describing the
interconnection relationship among network nodes. It also
refers to the network structure in general sense, namely, the
physical layout of connected devices.
U
User
A user using the NMS client, with available NMS features
determined by a set of management domains of users and user
groups, and operation rights
5.5 Acronyms and Abbreviations
A
AC
Alternating Current
ADM
Add-Drop Multiplexer
AIS
Alarm Indication Signal
ALS
Automatic Laser Shutdown
B
