The L4G is mainly used to achieve tunable wavelength and
cross-connection at the electrical layer, and to provide OTN
interfaces and ESC.
For detailed functions and features, refer to Table 1.
Table 1 Functions and features of the L4G board
Function and Feature
Description
Basic function
Converges up to six non-full bandwidth GE service signals into four
GE service signals and multiplexes these four signals into an OTU
5G/FEC 5G signal. Converts the signals into standard DWDM
wavelength compliant with ITU-T G.694.1. The reverse process is
similar.
Client-side service type
GE: Ethernet service at a rate of 1.25 Gbit/s
Cross-connect capabilities
OptiX OSN 6800: Supports the grooming of four channels of GE
services each to working/protection cross-connection boards
respectively through the backplane. Supports the transmission of
four GE signals to the paired slots through the backplane.
OptiX OSN 3800: Supports the grooming of four GE signals from one
board of the mesh group (consisting of four boards) to the other
three boards belonging to the mesh group.
OTN function
Provides the OTU5G/FEC5G interface on WDM-side.
Supports TCM and PM functions for ODU5G.
Supports SM function for OTU5G.
Layer 2 switching
Supports the MAC address learning and aging.
Supports one VB.
WDM specification
Supports the DWDM specifications.
Tunable wavelength function
Supports the tunable wavelength optical module. Equipped with this
module, the board can tune the optical signal output on the WDM
side within the range of the 40 wavelengths in C-band with the
channel spacing of 100 GHz.
ESC function
Supported
PRBS test function
Not supported
Port-based flow control
Supports IEEE802.3X-compliant Ethernet flow control protocol and
flow control termination.
NOTE:
Transparent transmission of Pause frames is not supported. When a
site receives a Pause frame, it terminates the frame.
LPT function
Supported
NOTE:
The LPT function cannot be configured for EVPL services but only
for bidirectional EPL services (port <->VCTRUNK). When the
LPT function is enabled, Source C-VLAN and Sink C-VLAN of an EPL service must be left empty.
FEC coding
Supports ITU-T G.709-compliant forward error correction (FEC) on
the WDM side.
Alarms and performance events monitoring
Monitors BIP8 bytes (Poisson mode) to help locate line failures.
Monitors B1 bytes to help locate faults.
Monitors OTN alarms and performance events.
Monitors parameters such as the bias current, temperature, and
optical power of the laser.
Supports the remote monitoring (RMON) of Ethernet services.
ALS function
Supports the ALS function on the client side.
NOTE:
ALS function is supported only when EPL services (port
<->VCTRUNK) are provisioned.
Test frame
Supported
Latency measurement
Not supported
Optical-layer ASON
Not supported
Electrical-layer ASON
Not supported
Protection scheme
Supports SW SNCP.
Supports VLAN SNCP.
Supports client 1+1 protection.
Supports intra-board 1+1 protection (when working with the
OLP/DCP/QCP board).
Supports OWSP protection.
Supports MS SNCP protection.
NOTE:
Client 1+1 protection is supported only when EPL services (port
<->VCTRUNK) are configured on the board.
Loopback
WDM side
Inloop
Supported
Outloop
Supported
Client side
MAC Inloop
Supported
PHY Outloop
Supported
Protocols or standards compliance
Protocols or standards for transparent transmission
(non-performance monitoring)
IEEE 802.1q VLAN
All L2 protocols including xSTP, LACP, EthOAM, DHCP, and PPP
MPLS protocols
All L3 protocols including ARP, IGMP, OSPF, and IGRP
Protocols or standards for service processing (performance
monitoring)
IEEE 802.3x pause frame
IEEE 802.3ad LACP
IEEE 802.1p priority
IEEE 802.1q VLAN
L4G Specifications
Specifications include optical specifications, dimensions, weight,
and power consumption.
Board
Client-Side Fixed Optical Module
Client-Side Pluggable Optical Module
WDM-Side Fixed Optical Module
WDM-Side Pluggable Optical Module
TN11L4G
N/A
2.125 Gbit/s Multirate-0.5 km-eSFP
1000 BASE-LX-10 km-eSFP
1000 BASE-LX-40 km-eSFP
1000 BASE-ZX-80 km-eSFP
1.25 Gbit/s Multirate (CWDM)-40 km-eSFP
2.67 Gbit/s Multirate (CWDM)-80 km-eSFP
3400 ps/nm-C Band-Fixed Wavelength-NRZ-APD
3400 ps/nm-C Band-Tunable Wavelength-NRZ-APD
N/A
NOTE:
Margins exist between the default input power low threshold and the
receiver sensitivity and between the default input power high
threshold and the overload point. These margins ensure that the
system can report an input power low or high alarm before the
actual input power reaches the receiver sensitivity or overload
point.
Dimensions of front panel (H x W x D): 264.6 mm (10.4 in.) x 25.4
mm (1.0 in.) x 220 mm (8.7 in.)
Weight: 1.4 kg (3.1 lb.)
Power Consumption
Board
WDM-Side Optical Module
Typical Power Consumption (W)
Maximum Power Consumptiona (W)
TN11L4G
3400 ps/nm-C Band-Fixed Wavelength-NRZ-APD
50.0
55.0
3400 ps/nm-C Band-Tunable Wavelength-NRZ-APD
53.0
58.0
a: The maximum power consumption is the power consumed by the board
when it works normally under the highest ambient temperature.
Delivery
Cargo will be delivered within 1 day after payment arrived.
Tracking Number will be offered once delivery done.
Delivery Options
Estimated Delivery Time
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3-5 business days
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10-20 business days
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confirmed order. Uonel is responsible for transporting goods to door after you have
made the payment.
If your products failed, you must contact your sales representative
to verify product failure. If the problem still can't correct by
remote support methods i.e. email or phone support, the RMA
procedure will issue.
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