Huawei OptiX OSN 3500 Hardware Description ISSUE 1.1 - part 6
ATM Unit
The common performance of ATM unit
Performance name
Performance meaning
VC3BBE
VC3 block of background error
VC3ES
VC3 errored second
VC3FEBBE
VC3 far end block of background error
VC3FEES
VC3 far end errored second
ATM_INGCELL
Number of input cells in ATM link
ATM_EGCELL
Number of output cells in ATM link
ATM_CORRECTED_HCSERR
Number of corrected cells with HCS error at ATM interface
ATM_UNCORRECTED_HCSERR
Number of uncorrected cells with HCS error at ATM interface
ATM_RECV_CELL
Number of cells ATM interface received
ATM_RECV_IDLECELL
Number of idle cells ATM interface received
ATM_TRAN_CELL
Number of cells ATM interface transmitted
Internal Use
56
1. SDH unit
2. PDH unit
3. Ethernet unit
4. ATM unit
5. MST unit
6. WDM unit
7. Cross-connect and timing unit
8. SCC unit
9. Auxiliary unit
Internal Use
57
MST Unit
Slots available
Outlet
Board
Full name
Connector
position
40G
80G
4 x multi-service transparent
Slot6-8,
Slot1-8,
MST4
Front panel
LC
transmission line board
11-13
11-17
Service type
Rate
Remarks
GE
1000 Mbit/s
Data service
FC50
531.25 Mbit/s
Storage area network (SAN)
FC100/FICON
1062.5 Mbit/s
SAN service
FC200
2125 Mbit/s
SAN service
ESCON
200 Mbit/s
SAN service
DVB-ASI
270 Mbit/s
Video service
Internal Use
58
MST Unit
Functions of MST Unit (Take MST4 as an example)
Collect Alarm and
performance
GFP-T
SAN
16
VC-4-Xc/VC-4-
X
Xv
VC4
Internal Use
59
MST Unit
MST4
STAT
ACT
PROG
SRV
2.5G capacity
Supports GFP-T encapsulation
Inloop and outloop function for the optical ports
Distance extension function for No. 1 and 2 ports
Distance extension function
Services
SDH side
Client side
FC100
3000km
40km
FC200
1500km
20km
MST4
Internal Use
60
1. SDH unit
2. PDH unit
3. Ethernet unit
4. ATM unit
5. MST unit
6. WDM unit
7. Cross-connect and timing unit
8. SCC unit
9. Auxiliary unit
Internal Use
61
WDM Unit
LWX
OTU
MUX
DEMUX
OTU
OLA
OA
OA
STM-1
STM-1
STM-4
STM-4
STM-16
STM-16
MR2
Board
Full name
Slots available
Outlet position
Connector
Arbitrary bit rate wavelength
LWX
conversion unit
Slot 1-8, 11-17
Front panel
LC
MR2A
2-channel optical add/drop
multiplexing board
MR2C
Slot 19-26, 29-36
Internal Use
62
WDM Unit － LWX
•SDH
Arbitrary Bit Rate
•SDH
(10Mbit/s~2.7Gbit/s)
•PDH
•PDH
• FE
• FE
• ATM
• ATM
• FICON
• FICON
• FC
OCh
• FC
LWX
LWX
B1 (B2), J0 monitoring
Alarm and performance event process
ALS function
3R function
Channel spacing: 100 GHz
Internal Use
63
WDM Unit － LWX
LWX
STAT
ACT
PROG
SRV
CLASS 1
LASER
PRODUCT
Interface
Type
Description
Receives the signals from the optical
IN/IN1/IN2
add/drop multiplexing board MR2A
Sends signals to the optical add/drop
OUT/OUT1/OUT2
multiplexing board MR2A
LC
Sends service signal to client-side
TX
equipment
RX
Receives the service signal from
client-side equipment
LWX
Internal Use
64
WDM Unit － LWX
Board type
Protection
Description
Dual-fed signal selection LWX
Intra-board protection
Optical channel protection with one board
Single-fed single receiving LWX
Inter-board protection
1+1 inter-board hot backup protection
Protection
Working
channel
channel
Protection channel
Working channel
Protection
Working
OTU
OTU
OTU
Coupler
Client-side
equipment
Internal Use
65
WDM Unit － MR2A/MR2C
Function
Adding/dropping adjacent two channels
MR2A: Is plugged in slots 1-8, 11-17
MR2C: Is plugged in slots 19-26 or 29-36
Internal Use
66