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Raisecom
iTN2100 (P100R002) Hardware Description
22 Appendix
Raisecom Technology Co., Ltd.
280
RS232
Asynchronous transmission mode, no handshaking signal, point-to-
point communication with other station RS232 or RS422,
transparent transmission, up to 19.2 Kbit/s.
S
Single-mode fiber
Optical signals of a single mode can be transmitted in the fiber.
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.
U
U
Unit of dimension, short for unit. It takes 44.45mm as basic unit;
namely 1 U = 44.45 mm
22.3 Abbreviations
A
ACL
Access Control List
AIS
Alarm Indication Signal
ALS
Automatical Laser Shutdown
AWG
American wire gauge
B
BPDU
Bridge Protocol Data Unit
C
CFM
Connectivity Fault Management
D
DCC
Data Communication Channel
DCE
Data Connection Equipment
DTE
Data Terminal Equipment