ZL30138

ZL30130 : ZL30130 OC-12/STM-4 SONET/SDH/GbE Stratum 2/3/3E System Synchronizer/SETS Data Sheet Features • Supports the requirements of ITU-T G.8262 for synchronous Ethernet Equipment slave Clocks (EEC option 1 and 2) • Supports the requirements of Telcordia GR-1244 Stratum 2/3/3E and GR-253, ITU-T G.812, G.813, and G.781 SETS • Supports ITU-T G.823, G.824 and G.8261 for 2048 kbits/s and 1544 kbits/s interfaces • Meets the SONET/SDH jitter generation requirements up to OC-12/STM-4 • Synchronizes to telecom reference clocks (2 kHz, N*8 kHz up to 77.76 MHz, 155.52 MHz) or to Ethernet reference clocks (25 MHz, 50 MHz, 62.5 MHz, 125 MHz) • Supports composite clock inputs (64 kHz, 64 kHz + 8 kHz, 64 kHz + .

ZL30131 : Features • Synchronizes to standard telecom or Ethernet backplane clocks and provides jitter filtered output clocks for SONET/SDH, PDH and Ethernet network interface cards • Supports the requirements of ITU-T G.8262 for synchronous Ethernet Equipment slave Clocks (EEC option 1 and 2) • Two independent DPLLs provides timing for the transmit path (backplane to line rate) and the receive path (recovered line rate to backplane) • Synchronizes to telecom reference clocks (2 kHz, N*8 kHz up to 77.76 MHz, 155.52 MHz) or to Ethernet reference clocks (25 MHz, 50 MHz, 62.5 MHz, 125 MHz) • Selectable loop bandwidth of 14 Hz, 28 Hz, 890 Hz, or 0.1 Hz • Supports automatic hitless reference switching and .

ZL30132 : Features • Synchronizes to standard telecom or Ethernet backplane clocks and provides jitter filtered output clocks for SONET/SDH, PDH and Ethernet network interface cards • Supports the requirements of ITU-T G.8262 for synchronous Ethernet Equipment slave Clocks (EEC option 1 and 2) • Synchronizes to telecom reference clocks (2 kHz, N*8 kHz up to 77.76 MHz, 155.52 MHz) or to Ethernet reference clocks (25 MHz, 50 MHz, 62.5 MHz, 125 MHz) • Supports automatic hitless reference switching and short term holdover during loss of reference inputs • Generates standard SONET/SDH clock rates (e.g. 19.44 MHz, 38.88 MHz, 77.76 MHz, 155.52 MHz, 622.08 MHz) or Ethernet clock rates (e.g. 25 MHz, 50 MHz, 12.

ZL30136 : Features • Provides synchronous clocks for network interface cards that support synchronous Ethernet (SyncE) in addition to telecom interfaces (T1/E1, DS3/E3, etc.) • Supports the requirements of ITU-T G.8262 for Synchronous Ethernet equipment slave clocks (EEC option 1 and 2) • Synchronizes to telecom reference clocks (2 kHz, N*8 kHz up to 77.76 MHz) or to Ethernet reference clocks (25 MHz, 50 MHz, 62.5 MHz, 125 MHz, and 155.52 MHz) • Generates Ethernet clocks (12.5 MHz, 25 MHz, 50 MHz, 62.5 MHz, or 125 MHz) • Programmable telecom synthesizer generates clock frequencies of any multiple of 8 kHz up to 100 MHz • Selectable loop bandwidth of 14 Hz, 28 Hz, 890 Hz, or 0.1 Hz • Generates several .