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MF-2500DS-T12-210 Datasheet(PDF) 5 Page - Mitsubishi Electric Semiconductor |
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MF-2500DS-T12-210 Datasheet(HTML) 5 Page - Mitsubishi Electric Semiconductor |
5 / 9 page MITSUBISHI (OPTICAL DEVICES) MF-2500DS-T12-18x/19x/20x/21x MF-2500DS-R13-18x MF-2500DS-R14-19x/20x/21x SONET/SDH TRANSMITTER & RECIEVER PIN ALLOCATION Transmitter pin allocation No. Symbol Description No. Symbol Description 1 VEE Negative power supply **** 24 VCC Positive power supply **** 2 BACK(+) Monitoring for back fact current 23 GND Ground 3 BIAS(+) Monitoring for LD current 22 Cki- False clock input 4 SDC Shut Down Command *** 21 GND Ground 5 SELC Clock mode select ** 20 Cki+ True clock input * 6 GND Ground 19 GND Ground 7 NUC No user connection 18 Di- False data input 8 LDA Laser Degrade Alarm ***** 17 GND Ground 9 NUC No user connection 16 Di+ True data input 10 NUC No user connection 15 GND Ground 11 GND Ground 14 NUC No user connection 12 VEE Negative power supply **** 13 VCC Positive power supply **** *: The falling edge of Cki clock input signal is at the Di data eye pattern crossing point. **: When open (or low) the module is in the operating mode. When high the module operates in non clocked mode. ***: When high the module in the shut down mode (no optical output power). When open (or low) the module is in the operating mode. ****: Vcc-Vee; with Vcc at +5V Vee must be at 0V; with Vee at -5.5V Vcc must be at 0V *****: When provided a digital alarm indicates that the laser is degraded. The active level is a low level. This pin must be teidto Vcc through a 100k ohm resistor when the digital alarm is not proved Receiver pin allocation No. Symbol Description No. Symbol Description 1 HV / NIC High Voltage * 24 NUC No user connection 2 NUC No user connection 23 OILV / NIC Optical Input Light Voltage ## 3 LPA Loss of Power Alarm *** 22 VCC Positive power supply 4 GND Ground ** 21 NUC No user connection 5 Cko- False clock output 20 GND Ground ** 6 Cko+ True clock output 19 GND Ground ** 7 GND Ground ** 18 VEE Negative power supply 8 VCC Positive power supply 17 GND Ground ** 9 GND Ground 16 GND Ground ** 10 Do+ True data output 15 GND Ground ** 11 Do- False data output 14 GND Ground ** 12 GND Ground ** 13 DTV / NIC Decision Threshold Voltage # *: This pin is Not Internally Connected(NIC) in case of the high voltage generator is inside the module. **: Package is at same potential as GND . ***: LPA output is a logic level that indicates the presence or absence of a sufficient optical input level. A logical high level indicates an input optical level too low. #: This pen is not internally connected if the amplitude decision threshold is not made adjustable. ##: This pen is not internally connected if the Optical Input Light Voltage functionality is not provided. |
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