Optech’s Loopback Transceivers series includes, 10G SFP+ Loopback, 40G QSFP+ Loopback, 25G SFP28 Loopback and 100G QSFP28 Loopback. Our Loopback Transceivers are cost effective and high quality solutions to test transceivers ports.

Loopback are compatible with both copper and optical SFP+/QSFP+/SFP28/QSFP28 enabled ports, they perfectly replicate the performance range of typical of a 10G SFP+, 40G QSFP+, 25G SFP28 and 100G QSFP28 connection between equipped adapter cards, blade servers, routers, and switches.

10G SFP+ Loopback

Part NumberModel No.PictureMedia TypeAttenuation
(dBm)
Temp.(℃)NoteDatasheet
OPSFPP-T-00-PxLoopbackCopper00~80PassiveDownload
OPSFPP-T-05-PxLoopbackCopper50~80PassiveDownload

25G SFP28 Loopback

Part NumberModel No.PictureMedia TypeAttenuation
(dBm)
Temp.(℃)NoteDatasheet
OPSF28-T-00-PXLoopbackCopper00 ~ 80PassiveDownload
OPSF28-T-05-PXLoopbackCopper50 ~ 80PassiveDownload

40G QSFP+ Loopback

Part NumberModel No.PictureMedia TypeAttenuation
(dBm)
Temp.(℃)NoteDatasheet
OPQSFP-T-00-PXLoopbackCopper00 ~ 70PassiveDownload
OPQSFP-T-05-PXLoopbackCopper50 ~ 70PassiveDownload

100G QSFP28 Loopback

Part NumberModel No.PictureMedia TypeAttenuation
(dBm)
Temp.(℃)NoteDatasheet
OPQS28-T-00-PXLoopbackCopper00 ~ 80PassiveDownload
OPQS28-T-05-PXLoopbackCopper50 ~ 80PassiveDownload

400G QSFP-DD Loopback

Part NumberModel No.PictureMedia TypePower
Consumption(W)
Temp.(℃)NoteDatasheet
OPQSDD-T-00-PXLLoopbackCopper00~115PassiveDownload
OPQSDD-T-00-PJELoopbackCopper100~115PassiveDownload
OPQSDD-T-00-PxELoopbackCopperPromrammable
0~15
0~115PassiveDownload
© Copyright - Optech Technology Co., Ltd. 5F, No. 56, Ln. 258, Ruiguang Rd., Neihu Dist., Taipei City 114, Taiwan (R.O.C.) Tel: 886 2 2656 0588 | Fax: 886 2 2656 0599