Archive

SFP+ module not holding in port

There are two types of optical transceiver problems – software based and hardware based. This time definitely we talk about hardware based problem. SFP module is not locking in port. This means when engineer plugs it into switch port the SFP module is not producing...

23 February, 2018

SFP-T testing before ordering

If you never before used SFP-T modules on your device but now need start to use, then it is better to test SFP-T modules before purchase order because of different hardware used by different transceiver vendors. These are basic steps we suggest You to follow: ...

23 February, 2018

Single Fiber BiDi SFP 100/1000 data rate support

Many Internet Service Providers (ISP's) has need for using 100/1000 Mbps multi data rate on single fiber BiDi WDM modules because they are upgrading aggregation layer switches to Gigabit capability, but as customer CPE are used 100 Mbps Fast Ethernet devices - such as Media...

23 February, 2018

XFP 10G Direct-Attach Cable Flapping

This is quite common problem with 10G XFP Transceivers. Link is flapping UP/DOWN/UP/DOWN ...

23 February, 2018

TPLINK TL-SG2424 Compatible SFP

Question: Does this TPLINK TL-SG2424 switch require special code or MSA should work? Answer: This switch is MSA generic one, so our transceivers will work with no special coding !...

22 February, 2018

RF Unit CPRI Interface Error alarm in Huawei DBS 3900

The Common Public Radio Interface (CPRI) standard defines the interface of base stations between the Radio Equipment Controllers (REC) in the standard, to local or remote radio units, known as Radio Equipment (RE). In parallel with standard optical transceivers, special purpose optical transceivers are being...

22 February, 2018

Can You provide JDSU PLRXPL-VE-SG4-62-N compatible transceiver for Huawei base station DBS 3900?

Huawei base stations using JDSU Transceivers for CPRI connections between RRU and BBU. JDSU PLRXPL-VE-SG4-62-N is using multi-mode double fiber cable and 850nm optical wavelength. It is supporting applications up to 4.25 Gbps. From our portfolio, we suggest using Fronthaul SFP+ Product line – these module...

22 February, 2018

Where to find sfp-10g-er datasheet?

By SFP-10G-ER we understand that You mean Cisco compatible SFP+ 10G 40km module. From our product portfolio this corresponds to Multi-Vendor MSA Compatible 10G-SFP-40 SFP+ Module. In linked page You will find detailed specification and You are welcome to order it. After received Your order our team...

22 February, 2018

GBIC_SECURITY_CRYPT-4-ID_MISMATCH: Identification check failed for GBIC in port X

There could be a situations that you insert optic's in Cisco ASR 900 series and get such alarm:   [highlight color='#464646' background_color='#d5d5d5']GBIC_SECURITY_CRYPT-4-ID_MISMATCH: Identification check failed for GBIC in port [/highlight]   This alarm means that equipment recognize module as Cisco SFP, but existing SFP type is not supported in...

22 February, 2018

Cisco ASR 9000 series – Not supported transceiver PID

When you have inserted Optical Transceiver in Cisco ASR 9000 port, you could get a following warning:   [highlight color='#464646' background_color='#d5d5d5']ASR9k-1 LC/0/4/CPU0:May 28 16:29:31.572 :ETHER_CTRL[164]: %PLATFORM-ETHER_CTRL-4-XCVR_WARNING : SFP for port 29 is disabled - Not supported transceiver PID[/highlight]   Software reads Optics EEPROM and performs Security, Type and Product...

22 February, 2018