Siemens SCALANCE XR524-8C Operating Instructions Manual page 22

Scalance xr-500 series. simatic net. industrial ethernet switches

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Operating instructions manual (101 pages)

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Description of the device

3.1 Product overview

Type

SFP992-1LH

SFP992-1LH+

SFP992-1ELH

* Cannot be operated in SFP+ slots.

Pluggable transceivers with the supplement (C) in the type name have varnished printed circuit boards

(conformal coating).

Note

Restriction for pluggable transceivers for SCALANCE XR524-8C (2 x 24 VDC) and

SCALANCE XR526-8C (2 x DC 24 V)

If you use pluggable transceivers of the types LH, LH+, ELH or ELH200 with a SCALANCE

XR524-8C (2 x 24 VDC) and SCALANCE XR526-8C (2 x 24 VDC) , the maximum ambient

temperature is reduced to 60 ℃.

For further information on the ambient temperature, refer to sections "Permitted ambient

temperature (Page 19)" and "Technical data (Page 83)".

Note

No far-end fault detection for an SFP transceiver in SFP+ slots with SCALANCE XR528 and

SCALANCE XR552

If you use an SFP transceiver in an SFP+ slot, no far-end fault detection is possible for this

interface. This can impair the functionality of link-based protocols, e.g. ring redundancy.

SFP+ transceiver

Type

SFP993-1

SFP993-1LD

SFP993-1LH

Can only be operated in SFP+ slots.

Properties

1 x 1000 Mbps LC port optical for glass FO

cable (single mode) up to max. 40 km

1 x 1000 Mbps LC port optical for glass FO

cable (single mode) up to max. 70 km

1 x 1000 Mbps LC port optical for glass FO

cable (single mode) up to max. 120 km

Properties