CTC UNION TECHNOLOGIES CO., LTD. G.703 FE1-A (CASCADE FRACTIONAL E1/E1) Card Type E1 DSU Chip Set Unidentified I/O Options E1 network interface via BNC-T connectors (2), 25-pin DTE/DCE port, G.703 interface via RJ-45 connector Wiring Type RG-58A/U cable E1 Transfer Rate 2.048Mbps E1 Line Coding HDB3 Frame type G.703 Data Bus External [Image] CONNECTIONS Function Label Function Label 25-pin data port CN1 RG-58A/U connector - CN4 receive (BNC-T) RG-58A/U connector - CN2 Power switch SW8 transmit (BNC-T) G.703 interface(RJ-45) CN3 USER CONFIGURABLE SETTINGS Setting Label Position Framed mode (2048Kbps) SW2/1 On Unframed mode(64Kbps x n ) SW2/1 Off Time slot 1 enabled SW2/2 On Time slot 1 disabled SW2/2 Off Time slot 2 enabled SW2/3 On Time slot 2 disabled SW2/3 Off Time slot 3 enabled SW2/4 On Time slot 3 disabled SW2/4 Off Time slot 4 enabled SW2/5 On Time slot 4 disabled SW2/5 Off Time slot 5 enabled SW2/6 On Time slot 5 disabled SW2/6 Off Time slot 6 enabled SW2/7 On Time slot 6 disabled SW2/7 Off Time slot 7 enabled SW2/8 On Time slot 7 disabled SW2/8 Off USER CONFIGURABLE SETTINGS (CONT.) Time slot 8 enabled SW3/1 On Time slot 8 disabled SW3/1 Off Time slot 9 enabled SW3/2 On Time slot 9 disabled SW3/2 Off Time slot 10 enabled SW3/3 On Time slot 10 disabled SW3/3 Off Time slot 11 enabled SW3/4 On Time slot 11 disabled SW3/4 Off Time slot 12 enabled SW3/5 On Time slot 12 disabled SW3/5 Off Time slot 13 enabled SW3/6 On Time slot 13 disabled SW3/6 Off Time slot 14 enabled SW3/7 On Time slot 14 disabled SW3/7 Off Time slot 15 enabled SW3/8 On Time slot 15 disabled SW3/8 Off Time slot 16 enabled SW4/1 On Time slot 16 disabled SW4/1 Off Time slot 17 enabled SW4/2 On Time slot 17 disabled SW4/2 Off Time slot 18 enabled SW4/3 On Time slot 18 disabled SW4/3 Off Time slot 19 enabled SW4/4 On Time slot 19 disabled SW4/4 Off Time slot 20 enabled SW4/5 On Time slot 20 disabled SW4/5 Off Time slot 21 enabled SW4/6 On Time slot 21 disabled SW4/6 Off Time slot 22 enabled SW4/7 On Time slot 22 disabled SW4/7 Off Time slot 23 enabled SW4/8 On Time slot 23 disabled SW4/8 Off Time slot 24 enabled SW5/1 On Time slot 24 disabled SW5/1 Off Time slot 25 enabled SW5/2 On Time slot 25 disabled SW5/2 Off Time slot 26 enabled SW5/3 On Time slot 26 disabled SW5/3 Off Time slot 27 enabled SW5/4 On Time slot 27 disabled SW5/4 Off Time slot 28 enabled SW5/5 On Time slot 28 disabled SW5/5 Off Time slot 29 enabled SW5/6 On Time slot 29 disabled SW5/6 Off Time slot 30 enabled SW5/7 On Time slot 30 disabled SW5/7 Off Time slot 31 enabled SW5/8 On Time slot 31 disabled SW5/8 Off USER CONFIGURABLE SETTINGS (CONT.) Inverted receive clock polarity enabled SW6/3 On Normal receive clock polarity enabled SW6/3 Off Inverted transmit clock polarity enabled SW6/4 On Normal transmit clock polarity enabled SW6/4 Off CRC4 enabled SW6/5 On CRC4 disabled SW6/5 Off CAS/PCM31 mode SW6/6 On CAS/PCM30 mode SW6/6 Off Unused timslot - PASS THRU SW6/7 On Unused timeslot - MARK(FF) SW6/7 Off Data port in DTE mode SW6/8 On Data port in DCE mode SW6/8 Off E1 LINE IMPEDANCE Setting SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 75 Ohm operation (CE Off Off Off Off Off approved) 120 Ohm operation (CE On On On On On approved) 75 Ohm operation (older On On Off Off Off models) 120 Ohm operation (older Off Off On On On models) RX/TX TIMING Receive Timing Transmit Timing SW6/1 SW6/2 Recover from E1 Source from data port Off Off network port Source from data port Source from data port Off On Recover from E1 Source from E1 On Off network port network port Established by Established by On On internal oscillator internal oscillator LOOPBACK TEST SELECTOR Function Label Position Recovery port loopback initiated SW7 1 Normal operation. Loopback not activated SW7 2 Data port loopback initiated SW7 3 DIAGNOSTIC LED(S) LED Color Status Condition DTE Green On DTE mode enabled; power is on DTE Green Off Device not in DTE mode or power is off DCE Green On DCE mode enabled; power is on DCE Green Off Device not in DCE mode or power is off TD Yellow On Data is being transmitted from the data port (CN1) TD Yellow Off Data is not being transmitted from the data port (CN1) RD Yellow On Data is being received at the data port (CN1) RD Yellow Off Data is not being recieved at the data port (CN1) TST Red On Device is conducting a loopback test TST Red Off Device is not conducting a loopback test ALM Red On Alarm condition detected on network ALM Red Off Alarm condition not detected on network TXCL Red On Transmit clock loss detected TXCL Red Off Transmit clock loss not detected RXSL Red On Receive signal loss detected RXSL Red Off Receive signal loss not detected MISCELLANEOUS TECHNICAL NOTES Timeslot switches are ignored in unframe mode. In framed mode, clock rate is determined by the number of timeslots enabled ( n ). In CAS mode, SW4/1 must be set to off position or a loopback test will occur. When cascading, SW6/7 must be set to on position. Cascading units must not be assigned identical or overlapping timeslots.