Dedicated line delivery device
Introduction of major products of BuRim Co., Ltd.
Dedicated line delivery device
Introduction of major products of BuRim Co., Ltd.
Analog private line modems
· Network Diagram
· Product Features
Synchronous data intelligent modems of 9600/7200/4800/2400 bps using QAM/DPSK modulation systems.
Asynchronous of 9600/7200/4800/2400bps based on V.14 asynchronous method
2-wire half duplex system and 4-wire full duplex system using private lines
IUT-T V.29, V.27bis and the Communication Ministry modem standard specification
A function for measuring Bit Error Rates using the 511 Pattern of ITU-T V.52 (shows the number of errors on the LCD Display)
Fault diagnosis function depending on Loop regulations of ITU-T V.54 including “Analog Loop”, “Digital Loop” and “Remote Digital Loop”.
Write modem conditions and functions using letters or numbers by 32-inch LCD displays
Show EIA connection conditions.
Alarm Function - Carrier loss alarms, Retraining, Receiving signal error probability alarms, Mutual connection circulation trouble alarms.
Automatic adaptive equalizers and fixed equalizers for compensating for track features
A function for measuring quality of communication lines
Choose a Menu-system function using front panel LCD (Operated based on Soft-Key).
A function for storing parameters using non-volatile memory elements
A function about automatic retraining
· Specification
Classification | Description |
Operation Type | 4-wire full duplex/2-wire half duplex dedicated line |
Synchronization Method | Synchronous / asynchronous |
Transmission Speed | 9600 / 7200 / 4800 / 2400 BPS |
Modulation System | QAM and DPSK |
Modulation Ratio | 2400Baud : QAM(9600/7200bps) 1600Baud : DPSK (4800 bps) 1200Baud : DPSK (2400 bps) |
Carrier Frequency | QAM : 1700 Hz ± 1 Hz DPSK : 1800 Hz ± 1 Hz |
DPSK : 1800 Hz ± 1 Hz | DPSK : 1800 Hz ± 1 Hz |
Transmission Output Level | -3∼-16 dBm (1dB unit) |
Transmissible Level | -3∼-43 dBm, -3∼-26 dBm,-3∼-16 dBm. |
Track Impedance | 600 ohm balanced 20% |
Terminal side input impedance | 3∼7 Kohm |
Terminal side output voltage | 5∼15V |
Terminal Interface | Support RS485 standard interface of ITU-T V.24, V.28 or EIA RS-232-D (optional specification) |
Power Source Used | Standalone-type : 88∼264V AC(Free Volt) (60 Hz) Shelf-type : 110/220V AC 20% (60Hz) |
Insulation Resistance | NLT 10Mohm/ 250V DC |
Energy Consumption | Standalone-type : 7 Watt or less Shelf-type : 110 Watt or less |
Relative Humidity | NMT 90% |
Operating Temperature | 0∼40℃ |
External Dimension | Standalone-type : 215 x 336 x 45mm (width x length x height) Shelf-type : 483.6 x 330 x 177mm (width x length x height) |
Weight | Standalone-type : 2.0Kg or less Shelf-type : 18.5Kg or less.(16 channels) |
Analog private line modems
· Network Diagram
· Product Features
Synchronous data intelligent modems of 9600/7200/4800/2400 bps using QAM/DPSK modulation systems.
Asynchronous of 9600/7200/4800/2400bps based on V.14 asynchronous method
2-wire half duplex system and 4-wire full duplex system using private lines
IUT-T V.29, V.27bis and the Communication Ministry modem standard specification
A function for measuring Bit Error Rates using the 511 Pattern of ITU-T V.52 (shows the number of errors on the LCD Display)
Fault diagnosis function depending on Loop regulations of ITU-T V.54 including “Analog Loop”, “Digital Loop” and “Remote Digital Loop”.
Write modem conditions and functions using letters or numbers by 32-inch LCD displays
Show EIA connection conditions.
Alarm Function - Carrier loss alarms, Retraining, Receiving signal error probability alarms, Mutual connection circulation trouble alarms.
Automatic adaptive equalizers and fixed equalizers for compensating for track features
A function for measuring quality of communication lines
Choose a Menu-system function using front panel LCD (Operated based on Soft-Key).
A function for storing parameters using non-volatile memory elements
A function about automatic retraining
· Specification
Classification | Description |
Operation Type | 4-wire full duplex/2-wire half duplex dedicated line |
Synchronization Method | Synchronous / asynchronous |
Transmission Speed | 9600 / 7200 / 4800 / 2400 BPS |
Modulation System | QAM and DPSK |
Modulation Ratio | 2400Baud : QAM(9600/7200bps) 1600Baud : DPSK (4800 bps) 1200Baud : DPSK (2400 bps) |
Carrier Frequency | QAM : 1700 Hz ± 1 Hz DPSK : 1800 Hz ± 1 Hz |
DPSK : 1800 Hz ± 1 Hz | DPSK : 1800 Hz ± 1 Hz |
Transmission Output Level | -3∼-16 dBm (1dB unit) |
Transmissible Level | -3∼-43 dBm, -3∼-26 dBm,-3∼-16 dBm. |
Track Impedance | 600 ohm balanced 20% |
Terminal side input impedance | 3∼7 Kohm |
Terminal side output voltage | 5∼15V |
Terminal Interface | Support RS485 standard interface of ITU-T V.24, V.28 or EIA RS-232-D (optional specification) |
Power Source Used | Standalone-type : 88∼264V AC(Free Volt) (60 Hz) Shelf-type : 110/220V AC 20% (60Hz) |
Insulation Resistance | NLT 10Mohm/ 250V DC |
Energy Consumption | Standalone-type : 7 Watt or less Shelf-type : 110 Watt or less |
Relative Humidity | NMT 90% |
Operating Temperature | 0∼40℃ |
External Dimension | Standalone-type : 215 x 336 x 45mm (width x length x height) Shelf-type : 483.6 x 330 x 177mm (width x length x height) |
Weight | Standalone-type : 2.0Kg or less Shelf-type : 18.5Kg or less.(16 channels) |