CTC UNION TECHNOLOGIES CO., LTD.
G.703 FE1 (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 |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
25-pin data port |
CN1 |
RG-58A/U connector - receive (BNC-T) |
CN4 |
RG-58A/U connector - transmit (BNC-T) |
CN2 |
Power switch |
SW8 |
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 - FLAG(7E) |
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 approved) |
Off |
Off |
Off |
Off |
Off |
120 Ohm operation (CE approved) |
On |
On |
On |
On |
On |
75 Ohm operation (older models) |
On |
On |
Off |
Off |
Off |
120 Ohm operation (older models) |
Off |
Off |
On |
On |
On |
RX/TX TIMING | |||
Receive Timing |
Transmit Timing |
SW6/1 |
SW6/2 |
Recover from E1 network port |
Source from data port |
Off |
Off |
Source from data port |
Source from data port |
Off |
On |
Recover from E1 network port |
Source from E1 network port |
On |
Off |
Established by internal oscillator |
Established by internal oscillator |
On |
On |
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. |