CTC UNION TECHNOLOGIES CO., LTD G.703 FE1 FRACTIONAL E1 G.703 FRACTIONAL T1 Card Type Fractional Access Unit NIC Type E1/T1 Chip Set Unidentified I/O Options 25-pin DTE/DCE port, BNC connectors (2), RJ-45 connector Wiring Type RJ-45 120ohm shielded twisted pair BNC 75ohm coaxial Maximum Data Rate 2048Kbps Data Bus External [Image] CONNECTIONS Function Label Function Label RJ-45 connector CN1 BNC connector - transmit TX 25-pin serial connector CN2 Power switch SW8 BNC connector - receive RX USER CONFIGURABLE SETTINGS Setting Label Position » Unframe mode enabled SW2/1 Off Frame mode enabled SW2/1 On » Normal clock polarity - receive SW6/3 Off Inverted clock polarity - receive SW6/3 On » Normal clock polarity - transmit SW6/4 Off Inverted clock polarity - transmit SW6/4 On » CRC4 disabled SW6/5 Off CRC4 enabled SW6/5 On » CAS/PCM30 mode SW6/6 Off CAS/PCM31 mode SW6/6 On » Unused timeslot - Mark SW6/7 Off Unused timeslot - Pass-through SW6/7 On » DCE data port enabled SW6/8 Off DTE data port enabled SW6/8 On Note: When cascading, SW6/7 must be set to on. LINE IMPEDANCE Setting SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 » 75ohm unbalanced Off Off On On On network interface 120ohm balanced On On Off Off Off network interface TIMESLOT SELECTION Setting SW2/2 SW2/3 SW2/4 SW2/5 SW2/6 SW2/7 SW2/8 Timeslot On Off Off Off Off Off Off 1 active Timeslot Off On Off Off Off Off Off 2 active Timeslot Off Off On Off Off Off Off 3 active Timeslot Off Off Off On Off Off Off 4 active Timeslot Off Off Off Off On Off Off 5 active Timeslot Off Off Off Off Off On Off 6 active Timeslot Off Off Off Off Off Off On 7 active Note: Off position sets timeslots to idle. Cascaded units must not be assigned identical or overlapping timeslots TIMESLOT SELECTION (CONT.) Setting SW3/1 SW3/2 SW3/3 SW3/4 SW3/5 SW3/6 SW3/7 SW3/8 Timeslot On Off Off Off Off Off Off Off 8 active Timeslot Off On Off Off Off Off Off Off 9 active Timeslot Off Off On Off Off Off Off Off 10 active Timeslot Off Off Off On Off Off Off Off 11 active Timeslot Off Off Off Off On Off Off Off 12 active Timeslot Off Off Off Off Off On Off Off 13 active Timeslot Off Off Off Off Off Off On Off 14 active Timeslot Off Off Off Off Off Off Off On 15 active Note: Off position sets timeslots to idle. Cascaded units must not be assigned identical or overlapping timeslots TIMESLOT SELECTION (CONT.) Setting SW4/1 SW4/2 SW4/3 SW4/4 SW4/5 SW4/6 SW4/7 SW4/8 Timeslot On Off Off Off Off Off Off Off 16 active Timeslot Off On Off Off Off Off Off Off 17 active Timeslot Off Off On Off Off Off Off Off 18 active Timeslot Off Off Off On Off Off Off Off 19 active Timeslot Off Off Off Off On Off Off Off 20 active Timeslot Off Off Off Off Off On Off Off 21 active Timeslot Off Off Off Off Off Off On Off 22 active Timeslot Off Off Off Off Off Off Off On 23 active Note: Off position sets timeslots to idle. Cascaded units must not be assigned identical or overlapping timeslots TIMESLOT SELECTION (CONT.) Setting SW5/1 SW5/2 SW5/3 SW5/4 SW5/5 SW5/6 SW5/7 SW5/8 Timeslot On Off Off Off Off Off Off Off 24 active Timeslot Off On Off Off Off Off Off Off 25 active Timeslot Off Off On Off Off Off Off Off 26 active Timeslot Off Off Off On Off Off Off Off 27 active Timeslot Off Off Off Off On Off Off Off 28 active Timeslot Off Off Off Off Off On Off Off 29 active Timeslot Off Off Off Off Off Off On Off 30 active Timeslot Off Off Off Off Off Off Off On 31 active Note: Off position sets timeslots to idle. Cascaded units must not be assigned identical or overlapping timeslots TIMING SOURCE Setting SW6/1 SW6/2 » Receive - recovery/transmit - data Off Off port Receive/transmit - data port Off On Receive/transmit - recovery On Off Receive/transmit - internal On On oscillator Note: Default setting cannot be used if SW6/7 is set to on. TEST MODE Setting Label Position C703 loopback test enabled SW7 1 Normal mode enabled SW7 2 Dataport loopback test enabled SW7 3 DIAGNOSTIC LED(S) LED Color Status Condition DTE Green On DTE mode enabled; power is on DTE Green Off DTE mode disabled; power is off DCE Green On DCE mode enabled; power is on DCE Green Off DCE mode disabled; power is off TD Yellow On Ones are being transmitted to network TD Yellow Off Zeros are being transmitted to network TD Yellow Blinking Ones and zeros are being transmitted to network RD Yellow On Ones are being received from network RD Yellow Off Zeros are being received from network RD Yellow Blinking Ones and zeros are being received from network TST Red On Access unit is executing a test TST Red Off Access unit is not executing a test ALM Red On Alarm condition detected on network ALM Red Off Alarm condition not detected on network TXL Red On Transmit clock loss detected TXL Red Off Transmit clock loss not detected RXL Red On Receive signal loss detected RXL Red Off Receive signal loss not detected