622Mbps Fiber Optic SDH Transmission system
-Transmission Capacity
: STM-4 × 1 / Shelf
-Tributary signal : STM-1 × 4 / Shelf, DS3 × 12 / Shelf
-Configuration : Point-To-Point, Ring ADM, Linear ADM
1.
Overview
The SMOT-4 is a
SDH Multiplexer which can multiplex standard PDH(DS3) and
SDH(STM-1) bit rates up to 622Mbps(STM-4) also have various application
mode
(Term, REG, Linear ADM, Ring ADM)
2.
Features
-Mixed Hierarchy
interface (AU3 and AU4)
-Various Application : Term, Linear ADM, RING ADM
-Mixed AUG Level(DS3 and STM-1)
-Full Cross Connect and Add/Drop
3.
System
Application
1)Term ::more>>
2)
Linear ADM ::more>>
3) Ring ADM ::more>>
4.
Specifications
|
Item
|
Specification
|
Other
|
|
Transmission Speed
|
622.080Mbps
|
STM-4
× 1 / Shelf
|
|
Tributary Capacity
|
44.736Mbps(DS3)
× 12 / Shelf
155.520Mbps(STM-1) × 4 / Shelf
|
AUG
Level
Mixed
|
|
External Clock
|
E1(2.048Kbps)
HDB3 Framed all ‘1’
|
|
|
Synchronization
|
External
Clock : EXT1, EXT2
STM-4 Recovery Clock : WEST, EAST
STM-1 Recovery Clock : GR#1 ~ GR#4
Internal Clock
|
|
|
Protection
|
LINE
|
STM-4(1+1),
STM-1(1+1)
|
Non-return
|
|
PASS
|
AU3,
AU4
|
|
|
UNIT
|
STM-4U(1+1),
STM-1U(1+1),
T3IU(1+1),
TCU(1+1)
|
Non-return
|
|
Operation
Mode
|
Term
, Ring ADM, Linear ADM
|
|
|
POWER
|
-48V
DC(-43 ~ -54V)
|
|
|
Contact: Man-il HAN, Associate Senior Engineer
(mihan@eastelsystems.com)
|
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