Our operations team wants to monitor a long 1470nm CWDM link before it becomes unstable. What diagnostic information can this LS-CW471G-80C module provide?

Its DOM function can report real-time module temperature, supply voltage, laser bias current, transmit optical power, and receive optical power. These values help identify fiber degradation, dirty connectors, weak received signal, and abnormal module temperature.

We currently use duplex fiber for point-to-point links. Can this 1470nm CWDM SFP help us expand capacity over the same fiber route later?

Yes. This module uses the 1470nm CWDM channel and can be deployed with other CWDM wavelengths through compatible CWDM multiplexers and demultiplexers. Each wavelength must be correctly paired at both ends and matched to the MUX/DEMUX channel plan.

For a large CWDM project, can we order a small sample batch before placing the full order?

Yes. A small sample order is a practical way to confirm compatibility before bulk deployment. It is especially useful when testing the modules with a new switch, a new CWDM MUX/DEMUX, or a long fiber link. You can verify 1470nm channel matching, DOM readings, and overall link performance before confirming the full order.

Our backbone is standard OS2 single-mode fiber with LC patch panels. Is this CWDM SFP module a direct fit, and what connector type should we use?

Yes. The LS-CW471G-80C is intended for single-mode fiber transmission and uses a duplex LC optical interface. Standard duplex LC-to-LC single-mode patch cords are normally used between the module and the fiber distribution panel.

Our CWDM plan includes 1470nm, 1490nm, 1510nm, and 1530nm channels on the same fiber pair. Can this module operate alongside the other wavelengths without interference?

Yes. The LS-CW471G-80C 1470nm SFP module is designed to operate as one CWDM channel in a multi-wavelength system. When the MUX/DEMUX channel plan is correct, each wavelength is isolated and can carry an independent optical link over the same single-mode fiber pair.

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LINK-PP LS-CW471G-80C 1G SFP CWDM 1470nm 80km デュプレックス LC DOM SMF 光トランシーバーモジュール

Name: LINK-PP LS-CW471G-80C 1G SFP CWDM 1470nm 80km デュプレックス LC DOM SMF 光トランシーバーモジュール
Brand: LINK-PP
SKU: 203258
Price: 43 USD
Availability: InStock
Rating: 4.9 (26 reviews)

＃203258

製品: LINK-PP LS-CW471G-80C 1G SFP CWDM 1470nm 80km デュプレックス LC DOM SMF 光トランシーバーモジュール
SKU: 203258
P / N: LS-CW471G-80C
価格: $ 50
ステージ０: 110在庫あり
SOLD: 890
商品のURL: https://www.l-p.com/products/492724.htm

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: LINK-PP LS-CW471G-80C 1G SFP CWDM 1470nm 80km デュプレックス LC DOM SMF 光トランシーバーモジュール

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互換性：: Cisco; LINK-PP; Allied Telesis; 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-CW471G-80C 1G SFPの仕様

LS-CW471G-80Cは、1470nm CWDM SFPモジュールとして動作し、DFBレーザーとPINフォトダイオードを組み合わせることで、シングルモードファイバーで最大80kmの伝送距離を実現します。リアルタイムのデジタル光モニタリング機能により、送信電力、受信電力、温度、電圧、バイアス電流を高精度で継続的に監視します。モジュールの波長別フィルタリングと校正済みの損失バジェットにより、外部イコライゼーションなしでCWDMグリッド全体にわたって安定したリンクマージンを確保します。

LINK-PP 部品番号	LS-CW471G-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	1470nm	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	DOM	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 operations team wants to monitor a long 1470nm CWDM link before it becomes unstable. What diagnostic information can this LS-CW471G-80C module provide? K***mによる on 2026-04-18

A: Its DOM function can report real-time module temperature, supply voltage, laser bias current, transmit optical power, and receive optical power. These values help identify fiber degradation, dirty connectors, weak received signal, and abnormal module temperature. 管理者による on 2026-04-19
Q: We currently use duplex fiber for point-to-point links. Can this 1470nm CWDM SFP help us expand capacity over the same fiber route later? M***nによる on 2026-01-26

A: Yes. This module uses the 1470nm CWDM channel and can be deployed with other CWDM wavelengths through compatible CWDM multiplexers and demultiplexers. Each wavelength must be correctly paired at both ends and matched to the MUX/DEMUX channel plan. 管理者による on 2026-01-27
Q: For a large CWDM project, can we order a small sample batch before placing the full order? By O***p on 2025-12-03

A: Yes. A small sample order is a practical way to confirm compatibility before bulk deployment. It is especially useful when testing the modules with a new switch, a new CWDM MUX/DEMUX, or a long fiber link. You can verify 1470nm channel matching, DOM readings, and overall link performance before confirming the full order. 管理者による on 2025-12-04
Q: Our backbone is standard OS2 single-mode fiber with LC patch panels. Is this CWDM SFP module a direct fit, and what connector type should we use? L***sによる on 2025-08-09

A: Yes. The LS-CW471G-80C is intended for single-mode fiber transmission and uses a duplex LC optical interface. Standard duplex LC-to-LC single-mode patch cords are normally used between the module and the fiber distribution panel. 管理者による on 2025-08-10
Q: Our CWDM plan includes 1470nm, 1490nm, 1510nm, and 1530nm channels on the same fiber pair. Can this module operate alongside the other wavelengths without interference? N***eによる on 2025-01-14

A: Yes. The LS-CW471G-80C 1470nm SFP module is designed to operate as one CWDM channel in a multi-wavelength system. When the MUX/DEMUX channel plan is correct, each wavelength is isolated and can carry an independent optical link over the same single-mode fiber pair. 管理者による on 2025-01-15

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E *** r

アラブ首長国連邦

確認済みの購入

5.0

2026-06-21

Our colocation team used the LS-CW471G-80C in a 1G CWDM transport shelf connecting two metropolitan facilities. We chose the 1470nm wavelength specifically to fill an available channel rather than deploy another fiber pair. Installation was uncomplicated: insert the SFP, connect Duplex LC single-mode fiber through the CWDM MUX/DEMUX, verify wavelength mapping, and review DOM status. The DFB CWDM transmitter and PIN receiver performed as expected, with no unusual laser-temperature behavior during the acceptance test. It is not a substitute for an industrial -40 to 85°C module in exposed outdoor cabinets, but for climate-controlled data rooms it has delivered stable service at a sensible cost.

110 役立つ投票コメント

X *** r

カンボジア

確認済みの購入

5.0

2026-05-18

Used a pair for a long-distance point-to-point connection between a warehouse and a central office. The DFB laser output is strong enough for our loss budget, while the PIN receiver is sensitive enough to keep the connection dependable.

135 役立つ投票コメント

R *** n

イスラエル

確認済みの購入

5.0

2026-04-29

We used this LS-CW471G-80C SFP module to extend a 1G CWDM connection between two office campuses. The 1470nm channel matched our existing CWDM plan, and the Duplex LC single-mode patching was straightforward. The link has stayed stable since installation.

160 役立つ投票コメント

C *** n

モロッコ

確認済みの購入

5.0

2026-03-14

Our data room has limited fiber count, so CWDM is the practical answer. This 1470nm SFP works with our single-mode fiber and passive multiplexing hardware, keeping the old 1G transport system useful without a major rebuild.

154 役立つ投票コメント

L *** g

ポーランド

確認済みの購入

5.0

2026-03-04

Solid 80km 1G CWDM SFP for our metro fiber path.

80 役立つ投票コメント

O *** s

ウクライナ

確認済みの購入

5.0

2026-02-24

Installed in minutes and the 1.25G port came straight up.

70 役立つ投票コメント

F *** n

ネパール

確認済みの購入

5.0

2026-02-10

Our operations team used this 1.25G CWDM 1470nm SFP for a long-distance Fiber Channel network where we still maintain Gigabit uplinks. We checked optical power at commissioning, then compared it with the module’s DDM data from the switch CLI. The readings were close enough to trust the diagnostics for routine remote checks. That has reduced truck rolls because we can see whether a declining optical level is likely a fiber issue, dirty connector, or equipment-side problem. For commercial indoor cabinets, the 0–70°C rating is appropriate, and the Duplex LC connection made replacement easy for field technicians.

92 役立つ投票コメント

U *** z

ブルガリア

確認済みの購入

5.0

2026-01-18

Our purchasing team wanted a cost-conscious replacement for the legacy 1G CWDM optical transceiver. These arrived properly labeled by wavelength, which helped prevent channel mix-ups during rack deployment. The 1470nm CWDM channel has been stable so far.

141 役立つ投票コメント

P *** n

トルコ

確認済みの購入

5.0

2025-12-30

Good optical budget for a long single-mode fiber run.

127 役立つ投票コメント

彼

バングラデシュ

確認済みの購入

5.0

2025-12-12

We purchased these CWDM 1G SFP modules for a multi-site enterprise rollout with several types of network equipment in the environment. Before deployment, we performed compatibility checks, port resets, DOM polling, and extended traffic tests on each OEM-coded batch. All tested modules established 1Gbps links cleanly and maintained stable monitoring data under normal operating temperature. The SFP MSA mechanical format and SFF-8472 diagnostics are especially useful for organizations keeping a mixed estate of older access, aggregation, and transport equipment. The 80km specification provides planning flexibility, although we still recommend validating the complete optical loss budget rather than treating distance alone as the decision point.

146 役立つ投票コメント

K *** t

オーストリア

確認済みの購入

5.0

2025-11-28

Linked at 1470nm right away and DOM readings look clean.

104 役立つ投票コメント

G *** h

リビア

確認済みの購入

5.0

2025-11-05

Good choice for extending legacy Gigabit Ethernet over an existing 1470nm CWDM channel. The 80km reach gives us useful headroom compared with shorter-reach optics. No link flaps after three weeks of continuous use.

102 役立つ投票コメント

T *** s

デンマーク

確認済みの購入

5.0

2025-10-15

This is a good fit when you need an 80km CWDM SFP optical transceiver without moving to a higher-speed platform. We are using it over single-mode fiber on a long rural site connection. Receive power remains comfortably within range.

75 役立つ投票コメント

F *** d

Argentina

確認済みの購入

5.0

2025-10-01

We used these modules during a legacy network modernization where the customer wanted to preserve its 1Gbps CWDM infrastructure while expanding monitoring capability. The old optics had no diagnostics, making it difficult to distinguish attenuation events from port failures. With this 1470nm 80km CWDM SFP, we can watch temperature, voltage, bias, transmit power, and receive power from the network management system. The optical performance has been consistent over a 61km path, and the LC duplex format works directly with the customer’s existing single-mode patching. For phased upgrades of enterprise, municipal, or telecom access networks, that is a meaningful operational improvement.

130 役立つ投票コメント

Z *** l

マカオ

確認済みの購入

5.0

2025-09-26

We added this 1470nm SFP module to our 8-channel passive CWDM multiplexer. The duplex LC interface clicked firmly into our patch panel, and optical loss was well within our calculated margins. Smooth deployment all around.

57 役立つ投票コメント

じぶんの

フィンランド

確認済みの購入

5.0

2025-09-17

Duplex LC fit was perfect — no surprises.

112 役立つ投票コメント

V *** s

ベラルーシ

確認済みの購入

5.0

2025-08-21

Installed in an indoor aggregation switch for a campus fiber network. The module negotiated cleanly at 1Gbps, and the SFF-8472 DOM information appears correctly in the monitoring tool. No CRC errors after the burn-in period.

118 役立つ投票コメント

質問

Ireland

確認済みの購入

5.0

2025-07-11

DOM data is available and useful for remote troubleshooting.

53 役立つ投票コメント

A *** l

モルディブ

確認済みの購入

5.0

2025-07-02

We deployed LS-CW471G-80C CWDM SFP modules across a regional campus and utility-monitoring network where the longest route was just under 76km. The plant is single-mode fiber with patch panels, splice closures, and a passive CWDM MUX/DEMUX chain, so actual insertion loss matters more than a simple bench test. The 1470nm channel aligned correctly with our wavelength plan, and the modules consistently reported healthy DOM values. TX power stayed in the specified -1 to +4dBm range, while RX readings remained above the -26dBm sensitivity threshold with reasonable margin. After several weeks, interface counters show no packet loss or CRC accumulation.

123 役立つ投票コメント

W *** n

ブルネイ・ダルサラーム国

確認済みの購入

5.0

2025-06-04

We needed a 1470nm 80km CWDM SFP with LC connectors for an existing passive CWDM MUX/DEMUX system. This unit matched the channel and fiber type exactly. Nice plug-and-play experience.

85 役立つ投票コメント

D *** r

イラン、イスラム共和国

確認済みの購入

5.0

2025-05-27

We installed a matched 1470nm CWDM optic pair on a 74km single-mode fiber route used for industrial telemetry and remote site management. The route includes multiple cross-connects and an existing CWDM passive filter system, so we cleaned every LC end face and documented baseline receive power during turn-up. The link came up immediately, and the receive levels held stable through normal day-to-night temperature changes. The DOM function lets us establish alarm thresholds before the signal approaches the receiver sensitivity limit. For network operations teams maintaining long-haul Gigabit fiber links, that visibility is more valuable than a basic non-DDM optic. ^_^

78 役立つ投票コメント

N *** s

ルーマニア

確認済みの購入

5.0

2025-05-03

Reliable 1470nm CWDM SFP transceiver, stable link, good value.

149 役立つ投票コメント

Y *** n

リトアニア

確認済みの購入

5.0

2025-04-16

The form factor is standard SFP, the interface is duplex LC, and the module runs normally in a commercial server-room environment. For indoor 0 – 70°C deployments, it has been a dependable 1G CWDM transceiver option.

64 役立つ投票コメント

H *** h

日本

確認済みの購入

5.0

2025-03-19

Great 1G CWDM module for our indoor single-mode fiber deployment; the link is stable and compatibility testing went smoothly. Delivery took a little longer than our project schedule expected, so order early for a time-sensitive rollout. Product performance is absolutely fine once installed.

35 役立つ投票コメント

ハンガリー

確認済みの購入

5.0

2025-03-08

Bought several 1G 1470nm CWDM SFP modules for a small carrier backhaul upgrade. All units were recognized quickly, and the DDM values gave our NOC a simple way to verify TX power, RX power, temperature, and voltage. Very practical for fieldwork.

98 役立つ投票コメント

G *** e

米国

確認済みの購入

5.0

2025-01-22

The 1470nm 80km CWDM SFP itself performs well and the DOM readings are accurate enough for routine checks. One carton arrived with a slightly crushed outer corner, although the antistatic packaging protected every module and none were damaged. I would buy again, but stronger bulk carton padding would be welcome.

28 役立つ投票コメント