Prisma II 2.5G 2:1 bdr-I Receiver and
Prisma II Chassis Issue Technical
Customers using the Prisma® II 2.5G 2:1 bdr-I Receiver may experience
communication problems with the receiver when installed in a Prisma II Chassis
configured with an ID ending in 2 through 5.
The purpose of this document is to inform users of the Prisma II 2.5G 2:1 bdr-I
Receiver, part numbers 4018935 and 4018938, of possible problems with the
receiver when used with chassis ID ending in 2 through 5. This technical bulletin
defines the issue and provides the corrective measures that should be taken by
qualified and skilled personnel.
This technical bulletin applies to system engineers, managers, and customers who
are responsible for operating or maintaining Prisma II equipment.
Only appropriately qualified and skilled service personnel should attempt to
install, operate, maintain, and service this product.
Allow only qualified and skilled personnel to install, operate, maintain, and
service this product. Otherwise, personal injury or equipment damage may
It has been determined that the new Prisma II 2.5G 2:1 bdr-I Receiver has the two
chassis ID pins swapped on the main PCB resulting in the module not being able
to communicate with an ICIM or LCM when installed in a chassis configured with
an ID ending in 2 through 5. This issue was not observed with chassis IDs ending
in 0, 1 and 6-9.