XRT94L55 sonet/sdh oc-48/stm-16, 4xoc -12/stm-4, 16xoc-3/stm-1 framer/concentrator with integrated cdr?s general description the XRT94L55 is a sonet/sdh oc-48/stm-16, 4xoc-12/stm-4, 16xoc-3/stm-1 framer/concen- trator with integrated cdr's. applications ? dwdm multiplexer/demultiplexers add drop multiplexers optical/digital cross-connects router and switch line cards features provides the highest level of integration and cost savings for multiplexer/co ncentrator applications with on chip cdr's provides multiplexing/concentration between oc- 48/ stm-16 interfaces and 4xoc-12/16xoc-3 interfaces provides 4 serial oc-12/stm-4 interfaces with integrated cdr, compatible with industry standard optical modules provides 16 serial oc-3/stm-1 interfaces with integrated cdr, compatible with industry standard optical modules provides 1+1 protected 4-bit parallel 2.488 gbits/ sec oc-48/stm-16 interface, compatible with industry standard cdr/transceivers supports the mappings for any standard combina- tion of sts-48c/au4-16c, sts-12c/au-4c or sts- 3c/au4 or sts-1/au3 supports both sonet and sdh on all interfaces sonet/sdh is programmable per interface provides pointer processing to accommodate tim- ing offsets between optical interfaces terminates section overhead, line overhead on oc-48/stm-16, 4xoc-12, 16xoc-3 interfaces provides options to terminate and/or monitor sts- path overhead provides overhead transparency between low andhigh speed interfaces supports performance monitoring and alarms required by gr.253 and ansi t1.105 supports 50 msecond aps by monitoring and filter- ing k1,k2 bytes as required by the standards provides 48x48 sts-1 cross-connect between oc- 48 and oc-12/oc-3 interfaces supports tandem path monitoring for network fail- ure sectionalization as required by ansi t1.105 high speed interface 1+1 protected oc-48/stm-16, 4-bit parallel lvds compliant with tfi-5 protocol low speed interfaces sonet/sdh compliant 4xoc-12 interfaces with integrated cdr meet all th e relevant jitter specifica- tions; oc-12 interfaces are pecl and compatible with industry standard optical modules sonet/sdh compliant 16xoc-3 interfaces with integrated cdr meet all th e relevant jitter specifica- tions; oc-3 interfaces are pecl and compatible with industry standard optical modules aps interface provides bi-directional aps interface for 1 + 1 and ring protection section, line, sts-path overhead interface provides serial access to all section, line and sts path overhead data for oc-48, 4xoc-12 and 16xoc-3 interfaces provides serial access to dcc channels for direct- connections to standard hdlc processors. microprocessor interface supports standard 8-bit micro-controllers with intel or motorola style interfaces provides interrupts for alarm processing ordering information p art n umber p ackage o perating t emperature r ange XRT94L55iv 780 bga -40 c to +85 c preliminary rev. p1.0.0
XRT94L55 b lock d iagram sts-48 section/ line overhead processor + aps sts-12/sts-3 section/line/path overhead processor sts-3 section/line/path overhead processor sts-3 section/line/path overhead processor pointer processor 48 x sts-1 path overhead 48 x sts-1 crossconn ect cdr/ serdes cdr/ serdes cdr/ serdes cdr/ serdes pointer processor pointer processor pointer processor pointer processor sts-3 section/line/path overhead processor 4 overhead add/drop bus 4 microprocessor interface jtag test port oc-48 line oc-48 line oc-12/oc-3 line oc-3 line oc-3 line oc-3 line aps bus XRT94L55 sonet/sdh oc-48/stm-16, 4xoc-12/stm-4, 16xoc-3/stm-1 framer/ concentrator with integrated cdr?s p1.0.0 preliminary
|
