Our fiber route is about 72 km and includes patch panels and splice points. Can we use this 80km CWDM SFP module for the link?

Potentially, yes. The 80km rating is the maximum nominal transmission distance, but the total fiber loss must remain within the module’s optical budget after including fiber attenuation, connector loss, splice loss, and CWDM MUX/DEMUX insertion loss.

We already have a 1470nm CWDM module at the remote end. Can we pair it with this LS-CW451G-80C 1450nm module?

No. For a normal duplex CWDM connection, both ends should use matching 1450nm modules. A 1450nm module should not be directly paired with a 1470nm module.

Our modules are installed inside a controlled central office, but some racks run warm during peak traffic. Is the 0°C to +70°C rating based on ambient temperature or module case temperature?

The stated 0°C to +70°C specification is the operating case-temperature range. Actual module case temperature can be higher than room ambient temperature, depending on airflow, switch design, port density, and power consumption.

Our switch provides a standard 3.3V SFP power supply. Does this module need any additional power connection?

No. The LS-CW451G-80C module operates from a single +3.3V power supply through the SFP host interface and does not require an external power connection.

ブレッドクラム: ホーム; 製品; 光トランシーバー | SFPモジュール; 1/2/4G トランシーバーモジュール; 1G CWDM/DWDM SFP; 203226

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LINK-PP LS-CW451G-80C 1G SFP CWDM 1450nm 80km デュプレックス LC DDM SMF 光トランシーバーモジュール

Name: LINK-PP LS-CW451G-80C 1G SFP CWDM 1450nm 80km デュプレックス LC DDM SMF 光トランシーバーモジュール
Brand: LINK-PP
SKU: 203226
Price: 43 USD
Availability: InStock
Rating: 4.9 (27 reviews)

＃203226

製品: LINK-PP LS-CW451G-80C 1G SFP CWDM 1450nm 80km デュプレックス LC DDM SMF 光トランシーバーモジュール
SKU: 203226
P / N: LS-CW451G-80C
価格: $ 50
ステージ０: 178在庫あり
SOLD: 922
商品のURL: https://www.l-p.com/products/492692.htm

1000ドル以上のご注文で15.00ドル割引、コード: Linkpp15

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新規ユーザー様：ご注文時に使える10ドルクーポン、コード: linkpp2610

: LINK-PP LS-CW451G-80C 1G SFP CWDM 1450nm 80km デュプレックス LC DDM SMF 光トランシーバーモジュール

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製造： LINK-PP

P / N： LS-CW451G-80C

互換性：: Cisco; LINK-PP; Arista; Brocade; Ciena; Dell; Extreme; Juniper; Netgear

波長：: 1270nm; 1290nm; 1310nm; 1330nm; 1350nm; 1370nm; 1390nm; 1410nm; 1430nm; 1450nm; 1470nm; 1490nm; 1510nm; 1530nm; 1550nm; 1570nm; 1590nm; 1610nm

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LINK-PP LS-CW451G-80C 1G SFPの仕様

LS-CW451G-80C comes as a 1450nm CWDM SFP module with support for data rates of up to 1.25Gbps. Built with a DFB laser and PIN photodiode, it delivers transmission over SMF distances of up to 80km and operates within a 0 to +70°C temperature range. Real-time digital diagnostic monitoring enables continuous monitoring of essential module parameters and operating status.

LINK-PP 部品番号	LS-CW451G-80C	業者名	LINK-PP
フォームファクター	SFP	最大データレート	1.25Gbps
波長	1450nm	最大ケーブル距離	80km
ボンジョイント	デュプレックスLC	メディアの方	SMF
トランスミッタの種類	DFB	レシーバータイプ	PIN
TXパワー	-1〜 + 4dBm	RXパワー	-26〜-1dBm
レシーバ感度	-26dBm	レシーバの過負荷	-1dBm
EMC（電磁両立性）	サポート	DDM	サポート
動作温度範囲	0から70°C	プロトコル	SFP MSA、SFF-8472

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Q: Our fiber route is about 72 km and includes patch panels and splice points. Can we use this 80km CWDM SFP module for the link? Q***eによる on 2026-03-10

A: Potentially, yes. The 80km rating is the maximum nominal transmission distance, but the total fiber loss must remain within the module’s optical budget after including fiber attenuation, connector loss, splice loss, and CWDM MUX/DEMUX insertion loss. 管理者による on 2026-03-11
Q: We already have a 1470nm CWDM module at the remote end. Can we pair it with this LS-CW451G-80C 1450nm module? R***kによる on 2026-01-21

A: No. For a normal duplex CWDM connection, both ends should use matching 1450nm modules. A 1450nm module should not be directly paired with a 1470nm module. 管理者による on 2026-01-22
Q: Our modules are installed inside a controlled central office, but some racks run warm during peak traffic. Is the 0°C to +70°C rating based on ambient temperature or module case temperature? P***gによる on 2025-06-29

A: The stated 0°C to +70°C specification is the operating case-temperature range. Actual module case temperature can be higher than room ambient temperature, depending on airflow, switch design, port density, and power consumption. 管理者による on 2025-06-30
Q: Our switch provides a standard 3.3V SFP power supply. Does this module need any additional power connection? S***nによる on 2025-05-19

A: No. The LS-CW451G-80C module operates from a single +3.3V power supply through the SFP host interface and does not require an external power connection. 管理者による on 2025-05-20

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V *** y

Sweden

確認済みの購入

5.0

2026-05-25

Good fit for a long-distance enterprise network where we still have active 1GbE access switches. The 1G SFP format saved us from replacing working equipment while adding another CWDM wavelength to the existing SMF pair.

90 役立つ投票コメント

N *** r

南アフリカ共和国

確認済みの購入

5.0

2026-04-22

We needed 1450nm CWDM modules specifically, not a generic 1310nm long-reach SFP. This module matched our CWDM channel plan, delivered a stable 1.25G connection, and fit our duplex LC patching setup perfectly.

61 役立つ投票コメント

L *** n

Canada

確認済みの購入

5.0

2026-04-03

Good optical budget for our long campus backbone.

51 役立つ投票コメント

P *** s

India

確認済みの購入

5.0

2026-03-30

Hot-swapped into our aggregation rack without a single glitch or port flap. (•‿•)

66 役立つ投票コメント

L *** t

ニュージーランド

確認済みの購入

5.0

2026-03-09

Installed as part of a multi-vendor switch refresh where legacy access equipment still relies on standard SFP ports. We provided the required host coding information before ordering, and the modules were delivered ready for our planned device profile. On a 57km single-mode fiber link, the 1.25Gbps port negotiated normally and stayed stable through traffic tests. The Duplex LC interface was convenient because the field plant already used LC patch panels, and DOM helped quickly identify one dirty connector during installation.

99 役立つ投票コメント

S *** x

Norway

確認済みの購入

5.0

2026-02-27

A practical option for a 1G backbone over single-mode fiber. Our techs like that it is a standard duplex LC SFP, so there is no special handling beyond checking polarity and cleaning the connectors.

85 役立つ投票コメント

J *** k

イギリス

確認済みの購入

5.0

2026-01-22

Solid 1G CWDM SFP for an 80km single-mode fiber run.

50 役立つ投票コメント

C *** p

フィンランド

確認済みの購入

5.0

2026-01-08

The 80km CWDM 1G SFP itself tested well, linked quickly, and the 1450nm channel matched our fiber plan. One carton arrived with a slightly crushed outer corner, although the anti-static packaging and modules inside were fine.

23 役立つ投票コメント

Q***h

ロシア連邦

確認済みの購入

5.0

2026-01-04

The module works well for long-haul 1G Ethernet transport where a 1450nm CWDM channel is needed. Vendor coding was handled before shipment, which made the rollout much faster for our operations team.

103 役立つ投票コメント

W *** s

Netherlands

確認済みの購入

5.0

2025-12-21

Ordered these 1G SFP modules for a CWDM MUX/DEMUX upgrade where the 1450nm channel was already assigned in the fiber plan. The modules came up quickly, and DDM monitoring lets our NOC keep an eye on transmit power, receive power, temperature, and supply voltage.

132 役立つ投票コメント

私***K

ポーランド

確認済みの購入

5.0

2025-12-08

Our data-center team used this 1G 1450nm CWDM SFP module to carry management and storage-related traffic between facilities over single-mode fiber. It is not intended to turn a 1G port into 10G, but for legacy Gigabit interfaces it gives a clean, cost-conscious way to use a long CWDM span. The standard SFP MSA form factor seated properly, and the SFF-8472 DOM data integrated into our normal monitoring workflow.

159 役立つ投票コメント

N *** e

Australia

確認済みの購入

5.0

2025-11-19

Duplex LC connection, 1450nm channel, zero drama.

74 役立つ投票コメント

M *** e

Malaysia

確認済みの購入

5.0

2025-11-11

We deployed 18 units of the LS-CW451G-80C in a municipal campus network connecting branch buildings to a central data room. The longest fiber section was just under 73km after splice and patch-panel losses, so we selected the 80km CWDM 1G SFP to retain reasonable margin. Initial DDM readings showed TX around the expected range and receiver levels comfortably above the sensitivity threshold. After several weeks, interface counters remain clean with no observed packet loss or CRC growth.

134 役立つ投票コメント

T *** s

Italy

確認済みの購入

5.0

2025-10-29

These 1450nm CWDM SFP transceivers were purchased for a multi-site fiber ring. Each unit was recognized correctly, and the SFF-8472 digital diagnostics were useful during commissioning. No CRC errors so far.

128 役立つ投票コメント

D *** y

ルーマニア

確認済みの購入

5.0

2025-09-21

Performance is good on our 68km SMF route, and the DDM values look normal after installation. Shipping took a little longer than expected for a small replacement order, but the optical modules were properly labeled and worked on arrival.

37 役立つ投票コメント

X *** n

Republic of Korea

確認済みの購入

5.0

2025-09-09

We used this LS-CW451G-80C 1450nm CWDM SFP to extend a 1G link between two campus buildings. The 80km rating gave us plenty of optical margin on our much shorter single-mode fiber route, and the duplex LC connector made replacement straightforward.

84 役立つ投票コメント

に

Germany

確認済みの購入

5.0

2025-08-14

Installed cleanly and linked immediately on our 1450nm CWDM fiber path.

59 役立つ投票コメント

O *** r

Thailand

確認済みの購入

5.0

2025-08-04

Nice balance of price and performance for a commercial-grade 1G CWDM SFP. It is especially useful when upgrading fiber capacity is more practical than pulling another cable.

86 役立つ投票コメント

O *** y

Brazil

確認済みの購入

5.0

2025-07-28

Perfect 1450nm CWDM grid channel pass-through on our passive 8-channel mux.

63 役立つ投票コメント

K *** n

ベルギー

確認済みの購入

5.0

2025-07-19

We evaluated a pair on a long enterprise fiber route that includes multiple fusion splices, distribution frames, and CWDM passive components. The 1450nm channel passed traffic continuously during a 72-hour soak test, while optical diagnostics remained consistent with the calculated loss budget. The -26dBm receiver sensitivity is useful for these longer links, although we still recommend validating actual attenuation and keeping appropriate engineering margin. This is a good commercial-temperature 80km CWDM SFP for indoor network cabinets and managed backbone sites.

144 役立つ投票コメント

R *** r

シンガポール

確認済みの購入

5.0

2025-06-18

We installed a batch in an indoor equipment room for separate CWDM channels over one fiber route. The optical power values stayed within expected limits, and the modules have been stable through normal HVAC temperature swings.

71 役立つ投票コメント

J *** y

オーストリア

確認済みの購入

5.0

2025-05-14

This was purchased for a 1G base-station backhaul extension where available fiber was limited and the wavelength plan could not be changed. The module’s 1450nm CWDM wavelength allowed us to add capacity without deploying additional fiber pairs. We monitored DOM values during peak utilization and saw no abnormal drift in transmit or receive levels. The unit is commercial-grade rather than industrial temperature rated, so we installed it inside a conditioned enclosure as planned; for that environment, performance has been excellent.

132 役立つ投票コメント

K *** k

France

確認済みの購入

5.0

2025-05-09

DOM readings are stable and easy to verify from the switch CLI.

62 役立つ投票コメント

U *** t

スペイン

確認済みの購入

5.0

2025-04-01

We tested the module on a remote telecom shelter link and got a stable connection with clean diagnostic values. The DFB transmitter and PIN receiver combination works well for this type of 80km CWDM deployment.

78 役立つ投票コメント

P *** k

Philippines

確認済みの購入

5.0

2025-03-24

Great module for point-to-point Gigabit links where trenching new fiber wasn't an option. Adding this 1450nm wavelength channel into our existing CWDM filter allowed us to spin up a dedicated backup link across 68km. Solid optical link stability over 30 days of continuous traffic.

137 役立つ投票コメント

Y *** e

Mexico

確認済みの購入

5.0

2025-02-11

Reliable CWDM 1G SFP module for remote-site connectivity.

58 役立つ投票コメント

M *** h

Indonesia

確認済みの購入

5.0

2025-01-08

Our operations team used these modules in a CWDM transport overlay for several 1GbE aggregation links. The key requirement was a 1450nm DFB CWDM transmitter compatible with our existing passive MUX/DEMUX channel map, plus readable SFF-8472 diagnostics. During acceptance testing, we checked temperature, voltage, laser bias, TX power, and RX power on both ends; the readings were consistent across the shipment. For commercial indoor racks operating within 0–70°C, this has been a dependable long-distance 1G SFP optical transceiver.

151 役立つ投票コメント