l OB9961DT/OB9961DR can transmit multi-channel duplex audio or multi-channel duplex data or multi-channel contact closure signal or the combination of audio or data or contact closure over one fiber；and it can provide option of 1 to 4 10M/100M Ethernet, 1 to 4 E1, 1 to 8 channel telephone, 1 to 8 channel Intercom signal
l The signal quality is independent of transmission distance and up to the maximum optical loss.
l Distance option of up to 120KM is possible
l Supported by OB Telecom standard network management system
l Data/audio/contact closure interface with option of 4 to 8 five pin terminal in any combination
l No restriction in principle about audio/data/contact closure channel
l Telephone channel up to 64 channels
l 18-bit digital audio, 75dB SNR
l RS232, RS422, RS485 or Manchester data
l Data transmission rate DC to256kbps
l High-speed optical fiber digital transmission technology
l Super optical dynamic range，0KM is not saturated
l Power supply, fiber link, data status indicator
l Surface mount technology (SMT)
l Rack-mount, stand-alone, 19" 1U rack mount enclosure.
l TV and broadcast system
l Expressway monitoring/communication system
l City intelligent traffic monitoring/communication system
l Electric power security monitoring system
l Water conservancy security monitoring system
l Security monitoring system in large-scale enterprises
l Military communication
Optical specification
Wavelength:1310/1470/1490/1510/1530/1550/1570/1590/1610nm
Optical output power：0 dBm to -3 dBm/-5 dBm to -10 dBm
Receiving sensitivity：≤-26dBm
Single wavelength bandwidth：1.25G/2.5G
Audio
Channel No.：optional
Insert plus：0dB±1dB
Frequency response：50Hz-20kHz
Audio input/output impedance：10K/3K（unbalanced）
Audio max-input/output voltage：3.5Vp-p （unbalanced）
Audio distortion：≤1%
Audio SNR：≥82dB
Audio coding mode：24-bit digital audio
Bit Rate：48kb/s
RS232 data
Standard: E1A/TIA-232E，CCITV.28
ESD protect: ±15kV body static
±8kV IEC1000-4-2 contact discharge
±8kV IEC1000-4-2 discharge by air
Baud rate： 0-115.2 kbps
Bit error rate: 10-13
RS-422/485 data
Standard: TIA/EIA-422-B,TIA/EIA-485-A,ITUV1.1
ESD product: ±15 kV body static
±8 kV IEC1000-4-2 contact discharge
±8 kV IEC1000-4-2 discharge by air
Baud rate：0－512kbps
Bit error rate: 10-13
Contact closure signal
Input/output：relay interface
Interface: RJ45
Ethernet data
Standard：IEEE802.3
Port NO. rate：10M/100M adaptive
Port NO.：1-4 10M/100M exchange port
E1 signal
Interface：Complies with ITU-TG.703
Data Rate：2.048Mbps
Circuitry code type：HDB3
Interface impedance：75Ω//120Ω/
Interface type：Q9(75Ω/)，RJ45(120Ω/)
Telephone channel
Telephone port：Complies with GB3378-82
Relay port：Complies with GB3971-83
System Parameter
MTBF：More than 100 thousand hours
System bit error rate：better than 10-13
Indicator light system：
Circulation indicator light,
Video lost detection indicator light,
Fiber link indication light
Electricity Features
Power supply：
OB9961D (XX)-XX-XX-X-A
Requirement: 24A@6VDC
Sources: plug-in frame backplane, 96-Pin interface
OB9961D(XX)-XX-XX-X-B
Requirement: 4A@6VDC
Sources: Power adapter, 5-pin self-lock interface
OB9961D(XX)-XX-XX-X-C
Requirement: 220VAC 0.25A
Sources: mains supply
Power consumption: 6W
Mechanism Features
OB9961D (XX)-XX-XX-X-A
Rack-mount，OB18 chassis
Dimension：442X222X178mm
Weight：3.5Kg
Material：section aluminum
Surface Finish：sandblast oxidation
Color：silver gray
OB9961D (XX)-XX-XX-X-B
Stand-alone，OB1A/OB2A chassis
Dimension：160X202 X21mm/160 X202X45mm
Weight：0.5/1Kg
Material：section aluminum
Surface Finish：sandblast oxidation
Color：silver gray
OB9961D (XX)-XX-XX-X-C
Standard，OB19A/B chassis
Dimension：482X250 X45mm,482X250X88mm
Weight：2Kg
Material：section aluminum
Surface Finish：sandblast oxidation
Environment
Operating temperature：-40℃ to 74℃
Storage temperature：-55℃ to 85℃
Humidity ：0~95% non-condensing
Electromagnetism Compatibility
Accord with GJB151A-97, SC
Operating state indication
OB9961DT
POWER ：power indication
LOCKED：transmit lock
DATA ：data indication
OB9961DR
POWER ：power indication
LOCKED：receive lock
DATA ：data indication
Network management system function
OB9961DT：
Transmit status monitoring；video/audio/data
Input-output status monitoring
OB9961DR：
Receive status monitoring；video/audio/data
Input-output status monitoring
Audio/Data/Contact Closure/Ethernet/E1/Telephone/
Intercom Channel Configuration
In production model “（XX）”refers to audio/data/contact closure/Ethernet/E1/Telephone/AIPHONE channel configuration.
e.g. “（1A↑↓1D↑↓）” refers to configuring one line duplex audio and one duplex data
Ordering Information
OB9961D(XX)-----XX-----XX-----X-----X
1 2 3 4 5
Segment 1：The configuration of audio/data/contact closure/Ethernet signal/E1 signal/telephone/Intercom channel
Segment 2：Transmission distance, measured by kilometers，usually 20Km, 40Km, 60Km, 80Km
Segment 3：Optical connector type, including FC, ST and SC
Segment 4：Fiber type, M－multi-mode, S－single mode
Segment 5：Enclosure type, A－rack-mount, B－stand-alone, C－standard
|
Fiber type |
Transceiver Type1 |
Receiver Type1 |
Optical Power Budget（dB） |
Transmission Distance
(km) |
|
Multi-mode |
OB9961DT(XX)-2KM-FC-M-A |
OB9961DR(XX)-2KM-FC-M-A |
11 |
2 |
|
|
Single mode |
OB9961DT(XX)-20KM-FC-S-A |
OB9961DR(XX)-20KM-FC-S-A |
10 |
20 |
|
|
Single mode |
OB9961DT(XX)-40KM-FC-S-A |
OB9961DR(XX)-40KM-FC-S-A |
15 |
40 |
|
|
Single mode |
OB9961DT(XX)-60KM-FC-S-A |
OB9961DR(XX)-60KM-FC-S-A |
21 |
60 |
|
|
Single mode |
OB9961DT(XX)-80KM-FC-S-A |
OB9961DR(XX)-80KM-FC-S-A |
29 |
80 |
|
The configuration of audio/data/contact closure/Ethernet/E1 signal/telephone/AIPHONE channel
The XX portion of OB9961D(XX) designates the configuration of audio/data/contact closure/Ethernet signal/E1/ Telephone/ Intercom etc as follows:
|
Signal type |
Forward |
Reverse |
Duplex |
Remark |
|
audio |
A↑ |
A↓ |
A↑↓ |
|
|
data |
D↑ |
D↓ |
D↑↓ |
The data can be RS422/RS485/RS232 |
|
Contact closure |
K↑ |
K↓ |
K↑↓ |
|
|
Ethernet |
|
|
10M/100M |
|
|
E1 signal |
|
|
E1 |
|
|
telephone |
|
|
TEL |
|
|
AIPHONE |
|
|
I |
|
e.g.： 2 channel duplex data OB9961D(2D↑↓)
1 channel forward audio＋1 channel reverse data OB9961D(1A↑1D↓)
2 channel forward audio＋1 data forward K signal＋10M/100M Ethernet signal＋1 channel telephone
OB9961D(2A↑1 K↑10M/100M1TEL)
