Metrodata Limited

This Bulletin describes the procedure for replacing the fuse inside the Fm4850 DSU.

This Bulletin describes the procedure for removing the loop facility on the DC2000, i.e. to disable the 2 buttons on the front panel.

This Bulletin describes the procedure for upgrading Metrodata DSU Firmware by changing PROMS. The PROMS contain executable software, MIB’s and other tables and PGA contents loaded at Power-up time. PROM change can improve system performance by both hardware and software update. Note however, that some hardware is not contained in PGA and can therefore only be modified by returning the unit to the factory.

This technical bulletin provides instructions for installing the LM1100 card in Metrodata DSU products. It is available for the following products, and may even have been installed preshipping from Metrodata: FM4000, FM4200, FM4500, FM4800, FM4850, FM4900, FM4950

Metrodata Management Options

V.35 Loopback plug specification for DC3200

This Bulletin describes the procedure for upgrading Metrodata DSU Firmware by changing PROMS. The PROMS contain executable software, MIB’s and other tables and PGA contents loaded at Power-up time. A PROM change can improve system performance by both hardware and software update. Note however, that some hardware is not contained in PGA and can therefore only be modified by returning the unit to the factory.

This Bulletin describes the connection layout for X.21 Crossover cables. It’s purpose is to enable the connection of two DTE’s via the X.21 port.

This Bulletin describes the procedure for replacing a 100-250 VAC / 50-400 Hz PSU for the AP range of products.

This Bulletin describes the connection layout for plugs to test the X.21 Timing Data of X.21 Interfaces . These X.21 Loopbacks may be fitted to DC1000, DC2000, DC3000, FM4000 FM4800 DSU’s. The X.21 female outlet is located on the rear panel of the DSU and labelled ‘DTE Port’. The Test plugs are inserted into the X.21 port before carrying out the appropriate tests.

This Bulletin describes the procedure for replacing a 100-250 VAC / 50- 400 Hz PSU.

This Bulletin describes the connections to be made to the Bulgin Mini-buccaneer ‘PXO800’ female connector provided with the packed product.

This Bulletin describes the connection layout for plugs to test the HSSI Internal Clock and DTE Dataloop functions of HSSI Interfaces . These interfaces may be fitted to FM4850, FM4900 and FM4950 DSU’s. The HSSI female outlet is located on the rear panel of the DSU and labelled ‘DTE Port’. The Test plugs are inserted into the HSSI port before carrying out the appropriate tests.