Telecom & Datacom

19" Chassis

Dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency (wavelength). It is sometimes called chromatic dispersion due to the wavelength dependency nature. This issue becomes prominent for higher data rate (shorter pulse width) as well as longer transmission distance.

 

19" Chassis
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19” 1U Rackmount Chassis with 1+3 slots

L1R4C

Lightem L1R4C is a 19”1U Rackmount chassis for various network cards. Featuring 1+1 redundant power supplies, 4 slots of (1 slot for system control card & 3x slots for network cards). It supports hot swap plug in, mix data rate running on same chassis is possible which can be managed by the system control card.

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Features
  • 1x slot for System Control Card & 3x slots for Network cards
  • Each card can be operated and controlled independently
  • Supports Multirate up to 10G, include 125M/155M/622M/1G/2G5/4G/6G/8G/10G
  • Network cards with different protocol/data rates is possible on same chassis
  • 1+1 redundant power supplies
  • Supports CDR (Clock Data Recovery) function
Specifications
Parameters Values
Number of slots
1x System Control card, 3x Network cards
Power Supply
Built in DC48V or AC220V with 1+1 protection
Cooling fans
2 built in cooling fans
Operating temperature
-10 ~ +50°C
Storage temperature
-40 ~ +85°C
Relative humidity (non condensing)
5% ~ 95%
MTBF
140127 hrs
Dimensions (LxWxH)
440x226x44mm
Weight
2kg

19” 2U Rackmount Chassis with 1+7 slots

L2UR8C-x

Lightem L2UR8C-x datasheet mainly used in network access layer and aggregation layer. It supports multi kinds of sub cards used in service accessL2UR8C-x is specialized in PON channel aggregation & distance-extend and optical transmission & optical protection service; it supports optical fiber sensing, optical crossing monitoring and optical fiber monitoring.

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Features
  • L2UR8C-x datasheet platform supports 1+1 dual power backup (AC220V/DC48V mixed application)
  • 1+1 SC board card backup and service sub card hot swap.
  • It supports in-band remote management by the network management system.
  • It’s easy for equipment maintain and management.
Specifications
Parameters Values
Single-channel maximum rate
100Gbit/s
Optical fiber interface
LC/UPC，SC/UPC
Transmission fiber
G.652，G.653，G.655
Protection mode
Device level protection: 1+1 SC card backup; 1 + 1 power card backup
Network level protection: Optical line protection; optical channel protection;
line side OTU2 SNCP protection
Transmission technology
DWDM(G.694.1)，CWDM(G.694.2)
1.25G，2.5G，8G，10G，40G，100G line rate
Amplifier：EDFA，SOA
Device Dimensions (mm)
88(H)*444(W)*225(D)
Power Supply
DC -48/-60V

19” 5U Rackmount Chassis with 1 +2 +15 slots

L5R18C

Lightem L5R18C is a 19”5U Rackmount chassis for various network cards. Featuring 1+1 redundant power supplies, 18 slots of (1 slot for system control card, 2 slots for power supplies & 15x slots for network cards). Network cards include transponder, muxponder, optical line protection switch, EDFA etc. It supports hot swap plug in, mix data rate running on same chassis is possible which can be managed by the system control card.

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Features
  • 1x slot for System Control Card, 2 slots for power supplies & 15x slots for Network cards
  • Each card can be operated and controlled independently
  • Supports Multirate up to 10G, include 125M/155M/622M/1G/2G5/4G/6G/8G/10G
  • Network cards with different protocol/data rates is possible on same chassis
  • 1+1 redundant power supplies
  • Supports CDR (Clock Data Recovery) function
Specifications
Parameters Values
Number of slots
1x System Control card, 2 slots for power supplies & 15x Network cards
Power Supply
Built in DC48V or AC220V with 1+1 protection
Cooling fans
1 pluggable fan tray
Operating temperature
-10 ~ +50°C
Storage temperature
-40 ~ +85°C
Relative humidity (non condensing)
5% ~ 95%
MTBF
140127 hrs
Dimensions (LxWxH)
440x226x44mm
Weight
11 kg
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