l OB9211DT/OB9211DR can transmit 1 line of high quality composite video, 1 to 6 line of duplex audio, or 1 to 4 line of duplex data or 1 to 4 line of contact closure signal or in any combination over one fiber;and it can provide option of 1 to 4 10M/100M Ethernet, 1 to 4 E1, 1 to 8 line telephone, 1 to 8 line Intercom signal
l Exceeds the RS250C standard for SNR, DG and DP
l Bandwidth up to 6 MHz, SNR≥67dB
l The video quality is independent of transmission distance and up to the maximum optical loss.
l 8/10 bit digital PCM video coding
l Compatible with NTSC, PAL and SECAM
l Distance option of up to 120KM is possible
l Supported by OB Telecom standard network management system
l Two RJ45 ports with option of plug-in interfaces in any combination
l 24- 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 state indication
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
Military communication

Optical Specification
Wavelength: Multimode 850/1310nm
Singlemode 1310/1550nm
Optical output power:-15dBm-2dBm
Receiving sensitivity:≤-26dBm
Single wavelength bandwidth:155M/1.25G
Video
Video channel:1
Video format:NTSC,PAL,SECAM
Voltage:1Vp-p,75Ω
Max-input voltage:1.5Vp-p,75Ω
Bandwidth:6 MHz
Differential gain:≤1%
Differential phase:≤1°
Video SNR:≥67 dB
Encoding:8/10-bit PCM
Connector:BNC
Audio
Channel Number:Optional
Insert plus:-0.1dB
Frequency Response:20Hz - 20kHz
Audio input/output impedance:100KΩ/3KΩ(unbalanced)
Audio max-input/output voltage:3.5VP-P (unbalanced)
Audio distortion:≤0.25%
Audio SNR:≥75dB
Audio coding mode:24-bit digital audio
Sample resolution:48k
RS232 data
Standard: E1A/TIA-232E,CCITV.24
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: 10-9
RS-422/485 data
Standard: TIA/EIA-422-B,TIA/EIA-485-A,ITU V1.1
ESD product: ±15 kV body static
±8 kV IEC1000-4-2 contact discharge
±8 kV IEC1000-4-2 discharge by air
Baud rate:0-115.2kbps
Bit error rate: 10-9
Contact Closure Signal
Input: 5v pull-up,5k
Output: Fail-safe, 1A/30v
Interface: RJ45
Ethernet Data
Standard:IEEE802.3
Data 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//120
Interface type:BNC (75Ω/),RJ45(120Ω/)
Telephone channel
Telephone port:Complies with GB3378-82
Relay port:Complies with GB3971-83
System Parameter
MTBF>100,000 hours
System bit error rate:better than 10-9
Indicator light system:
Circulation indicator light: Power light
Video lost detection indicator light
Fiber link indication light
Electrical Features
Power:
OB9211DTR(xVxD)-XX-XX-X-A
Input: +5.5v-6VDC
Sources: plug-in frame backplane, 96-Pin interface
OB9211DTR(xVxD)-XX-XX-X-B
Input: +5.5v-6VDC
Sources: Power adapter, 5-pin self-lock interface
OB9211DTR(xVxD)-XX-XX-X-C
Input: +5.5v-6VDC
Sources: mains supply
Power consumption: <3W
Mechanical Features
OB9211D(XX)-XX-XX-X-A
Rack-mount: OB18 chassis
Dimension:442x222x178mm
Weight:3.5Kg
Material:Aluminum
Surface Finish:sandblast oxidation
Color:silver gray
OB9211D(XX)-XX-XX-X-B
Stand-alone,OB1A chassis
Dimension:160x202 x21mm
Weight:0.5Kg
Material:Aluminum
Surface Finish:sandblast oxidatio
Environment
Operating temperature:-40℃ to 74℃
Storage temperature:-55℃ to 85℃
Humidity :0~95% non-condensing
Electromagnetism Compatibility
Accord with GJB151A-97, SC
Operating Status Indication
OB9211DT
POWER :red, power indicator
LINK:yellow, operational link
VIDEO: green, first video indicator.
DATA:green, data indicator
OB9211DR
POWER :red, power indicator
LINK:yellow, receiving synchronization
VIDEO: green, video indicator.
DATA:green, data indicator
Network Management System Function
Fiber link state detection
Video channel detection
Operating state detection(including operating temperature, voltage and so on)
Channel collocation
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
OB9211D(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 |
OB9211DT(XX)-2KM-FC-M-A |
OB9211DR(XX)-2KM-FC-M-A |
11 |
2 |
|
Single mode |
OB9211DT(XX)-20KM-FC-S-A |
OB9211DR(XX)-20KM-FC-S-A |
10 |
20 |
|
Single mode |
OB9211DT(XX)-40KM-FC-S-A |
OB9211DR(XX)-40KM-FC-S-A |
15 |
40 |
|
Single mode |
OB9211DT(XX)-60KM-FC-S-A |
OB9211DR(XX)-60KM-FC-S-A |
21 |
60 |
|
Single mode |
OB9211DT(XX)-80KM-FC-S-A |
OB9211DR(XX)-80KM-FC-S-A |
29 |
80 |
The configuration of audio/data/contact closure/Ethernet/E1 signal/telephone/Intercom channel
The XX portion of OB9211D(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 |
|
|
Intercom |
|
|
I |
|
E.g.:1 channel digital video+1 channel reverse data OB9211D(1D↓)
1 channel digital video+1 channel forward audio+1 channel reverse data OB9211D(1A↑1D↓)
1 channel digital video+2 channel forward audio+1 channel forward K signal+10M/100M Ethernet signal+1 channel telephone OB9211D(2A↑1 K↑10M/100M1TEL)
1、ST connector is optional except FC connector
2、Other distances options are available, please contact OB Telecom technical Department