Cisco Prisma FiberLinX Modules (1310 1550 nm) Data Sheet
Page 1 of 5
Description
Prisma
T1/E1/J1 Media Converter products are physical layer devices that convert twisted pair to fiber optics and
operate at switch-selectable protocol rates of T1 (1.544), E1 (2.048) and the Japanese J1 (1.544). Prisma T1/E1/J1
products offer more fiber choices and distances because they are engineered to industry standard 8B/10B PHY
encoding. Modules are available in single-mode and multi mode fiber, and can extend distances up to 80 km.
Available with remote management via the fiber port, Prisma T1/E1/J1 products enable network managers to
conduct loopback testing and monitor and manage units located up to 80 km away at a remote location. Cisco
management technology functions transparently to the frame format, so customers do not experience overhead or
loss of a data channel typically associated with remote management or SNMP polling. Customer traffic is always at
the full bit rate of 1.544 Mbps or 2.048 Mbps.
products offer more fiber choices and distances because they are engineered to industry standard 8B/10B PHY
encoding. Modules are available in single-mode and multi mode fiber, and can extend distances up to 80 km.
Available with remote management via the fiber port, Prisma T1/E1/J1 products enable network managers to
conduct loopback testing and monitor and manage units located up to 80 km away at a remote location. Cisco
management technology functions transparently to the frame format, so customers do not experience overhead or
loss of a data channel typically associated with remote management or SNMP polling. Customer traffic is always at
the full bit rate of 1.544 Mbps or 2.048 Mbps.
Figure 1. Prisma T1/E1/J1 Media Converters
Troubleshooting is easy with Prisma T1/E1/J1 products that include a line integrity test feature, three modes of
operation for loopback testing (local loopback, remote loopback, and analog loopback), and the Transmit Data
Source diagnostic feature. The Transmit Data Source feature sends specific patterns of data (transmit all unframed
ones; transmit a pattern of zeros and ones; and transmit a Pseudo Random Bit Sequence [PRBS]) to determine
problems with the cable. All test modes can be configured remotely via PrismaView SNMP software, or locally by
manually setting DIP switches on the units.
In addition, Prisma T1/E1/J1 includes an internal elastic buffer to remove jitter from transmitted data, and a
mechanism for testing line integrity. Prisma T1/E1/J1 modular media converters install in any Prisma MediaCenter
chassis or in an unmanaged MediaCPE.* To double the fiber capacity, choose a single-strand fiber version of the
Prisma T1/E1/J1 media converter.
* When installed in a Prisma MediaCPE chassis, Prisma T1/E1/J1 modules are only SNMP-manageable and software configurable if connected
to a Prisma T1/E1/J1 module that is installed in a managed Prisma MediaCenter chassis. Some features may not be software configurable on a
remote unit.
to a Prisma T1/E1/J1 module that is installed in a managed Prisma MediaCenter chassis. Some features may not be software configurable on a
remote unit.
Prisma Optical Media Converters
T1/E1/J1 Telco Converters With Remote Management
T1/E1/J1 Telco Converters With Remote Management