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. |
