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The 7707MT Multi-Signal Fiber Transmitter is a VistaLINK® capable, fiber transmitter for SDI Video, AES Audio, RS-422 control and GPI/O. This single card module transports one uni-directional SDI Video, two uni-directional AES Audio, one bi-directional RS-422 and two bi-directional GPI's and GPO's. These signals are combined using Time Domain Multiplex (TDM) technology and transmitted over a single fiber. The companion 7707MR Multi-Signal Fiber Receiver demultiplexes the signals and converts them back to their original formats. The 7707MT and companion 7707MR will transparently pass incoming SDI video feeds with embedded AES audio or any other data in the horizontal or vertical ancillary data space. Minimal Audio to Video latency over the transport interface is also achieved.
The fiber output is available in an assortment of optical wavelengths, accommodating 1310/1550nm, CWDM and DWDM transmission schemes.
The 7707MT occupies one card slot and can be housed in the 1RU 7801FR frame which holds up to four single or two dual slot modules, the 3RU 7800FR frame which has a 15 slot capacity, the portable 3RU 350FR frame which has a 7 slot capacity, or a standalone enclosure which holds a single module.
Features
- SDI video, 2 AES audio, 1 bi-directional RS-232/422 and 2 GPI/O fiber optic transmitter
- Supports 525 or 625 line 4:2:2 component SDI signals
- Supports SDTi signals
- Supports 32, 44.1, 48 KHz AES audio inputs
- Dolby E compatible
- Supports bi-directional RS-422 signals at baud rates up to 3Mb/s
- AES audio inputs can be synchronous or asynchronous to each other and/or to input video
- Reclocked SDI output for additional signal distribution
- Signal transport over fiber uninterrupted by loss of input SDI, AES, Serial Data or GPI/O feeds
- Low Audio to Video latency over transport interface
- Comprehensive signal and card status monitoring via four-digit card-edge display, or remotely through SNMP and VistaLINK® capability
- Local display of optical signal strength, video, audio, and data presence, video and AES formats, EDH errors, GPI and GPO status
- Automatic coaxial input equalization to 300m at 270Mb/s (Belden 1694)
- Fully Hot-swappable from front of frame with no fiber disconnect/reconnect required
- Bi-directional optical input/output
- Accepts any wavelength in the 1270nm to 1610nm range
- Optical output wavelengths of 1310nm, 1550nm, and up to sixteen CWDM wavelengths (ITU-T G.694.2 compliant)
- DWDM wavelengths (ITU-T G.694.1 compliant) also available
- Supports single-mode and multi-mode fiber optic cable
- VistaLINK® capable for remote monitoring via SNMP (using VistaLINK® PRO) when installed in 7800FR frame with a 7800FC VistaLINK® Frame Controller
7707MT Application Configurations
Fiber Type | Fibers | Optical Link Budget | Transmit Side | Receive Side | Description | ||
---|---|---|---|---|---|---|---|
Ordering Information | Tx Power | Ordering Information | Rx Sensitivity | ||||
** : assumes 8Ch CWDM Mux/Demux loss of 3.5dB |
~Tx Power/Rx Sensitivity are nominal values ±1dBm | ||||||
Multi-mode | 2 | < 3km | 7707MT13-F2 | -7dBm | 7707MR13-F2 | -28dBm | 1310nm on Tx & Rx fibers |
Single-mode | 2 | 21dB / 60km | 7707MT13-F2 | -7dBm | 7707MR13-F2 | -28dBm | 1310nm on Tx & Rx fibers |
Single-mode | 1 (WDM) | 25dB / 71km | 7707MT15-W | -1dBm | 7707MR13M-W | -26dBm | 1310nm/1550nm WDM bi-directional, one fiber |
Single-mode | 1 (CWDM) | 24dB / 96km** | 7707MTxx-F2 | 0dBm | 7707MRxx-F2 | -28dBm | Different CWDM wavelengths for Tx & Rx, with 8 channel CWDM Mux/Demux** |
Single-mode | 1 (DWDM) | 30dB / 120km*** | 7707MTDxxx-F2 | +7dBm | 7707MRDxxx-F2 | -28dBm | Different DWDM wavelengths for Tx & Rx, with 8 channel DWDM Mux/Demux*** |
Specifications
Serial Video Input | |
---|---|
Standard | SMPTE ST 259-C, SMPTE ST 305 |
Number of Inputs | 1 |
Connector | BNC per IEC 61169-8 Annex A |
Equalization | Automatic to 300m @ 270Mb/s with Belden 1694 or equivalent cable |
Return Loss | > 15dB up to 270Mb/s |
Serial Video OutputSingle Fiber Version Only | |
---|---|
Number of Outputs | 1 reclocked |
Connector | BNC per IEC 61169-8 Annex A |
Signal Level | 800mV nominal |
DC Offset | 0V ±0.5V |
Rise/Fall Time | 900ps nominal |
Overshoot | < 10% of amplitude |
Return Loss | > 15dB up to 270Mb/s |
Wideband Jitter | < 0.2UI |
AES Audio Input | |
---|---|
Standard | Jumper selected |
Balanced | AES3-1992 |
Unbalanced | SMPTE ST 276 |
Other | Dolby E compatible |
Number of Inputs | 2 |
Connector | 4 pins on female high density DB-15 |
Signal Level | |
Balanced | 2V to 7V p-p with level jumper set to HI 1V to 2V p-p with level jumper set to LO |
Unbalanced | 1V p-p ±0.1V |
Equalization | 500m @ 48kHz with Belden 1800B or equivalent |
Resolution | Up to 24 bits |
Sampling Rate | 32, 44.1, 48kHz |
Intrinsic Jitter | < 20ns |
Impedance | |
Balanced | 110Ω |
Unbalanced | 75Ω |
General Purpose Inputs | |
---|---|
Type | Opto-isolated, active low with internal pullups to +5V or +12V (jumper selectable) |
Number of Inputs | 2 |
Connector | 2 pins (plus ground) on female high density DB-15 |
Signal Drive Level | Open or closure to ground |
General Purpose Outputs | |
---|---|
Type | "Dry Contact" relay closure |
Number of Outputs | 2 |
Connector | 2 pins per output on female high density DB-15 |
Signal Level | Normally closed or normally open (jumper selectable) |
Serial Data Input/Output | |
---|---|
Type | RS-422 or RS-232 - jumper selectable |
Number of Ports | 1 (RS-422) or 2 (RS-232) |
Connector | 4 pins (plus ground) on female high density DB-15 |
Baud Rate | Up to 3Mb/s for RS-422 (Determined by incoming data) |
System Performance7707MT + 7707MR | |
---|---|
Video Input to Output Delay | < 1.5µs |
Audio to Video Delay | |
Softswitch™ Disabled (7707MR) | < 1µs |
Softswitch™ Enabled (7707MR) | < 2ms |
Optical Input / Output | |
---|---|
Number of Connections | 1 (single fiber version) or 2 (-F2 dual fiber version) |
Connector | Female SC/PC or FC/PC |
Return Loss | > 20dB |
Rise/Fall Time | 200ps nominal |
Maximum Input Power | 0dBm |
Input Wavelength | 1270nm to 1610nm |
Input Optical Sensitivity | |
WDM (-w version) | -26dBm |
Standard | -28dBm |
Output Jitter | < 0.2 UI |
Wavelengths | |
Standard | 1310nm, 1550nm |
CWDM | 1270nm -1610nm |
DWDM | C-Band (ITU-T G.694.1 compliant) |
Output Power | |
1310nm FP | -7dBm ±1dBm |
1550nm (-W) | -1dBm ±1dBm |
1550nm, CDWM (DFB) | 0dBm ±1dBm |
DWDM (DFB) | +7dBm ±1dBm |
Electrical | |
---|---|
Voltage | +12V DC |
Power | 12 Watts (Non-DWDM) or 14 Watts (DWDM) |
Physical | |
---|---|
Number of Slots | 1 |
Compliance | |
---|---|
Laser Safety | Class 1 laser product, complies with 24CFR 1040.10 and 1040.11, IEC 60825-1 |
EMI/RFI | Complies with FCC Part 15, Class A, EU EMC Directive |
Ordering Information
SDI, 2 AES Audio, Bi-Directional RS-232/422, GPI/O Fiber Transmitter | |
---|---|
7707MT15-W | Single Fiber, WDM, 1550nm DFB Tx, Rx on 1310nm |
7707MT13-F2 | Dual Fiber, 1310nm FP Tx and Rx |
CWDM & DWDM (Ordering Information) | |
---|---|
7707MTxx-F2 | Dual Fiber, CWDM DFB laser |
7707MTDxxx-F2 | Dual Fiber, DWDM DFB laser (Contact Factory for Wavelength Availability) |
Ordering Options | |
---|---|
Notes | • Rear plate and fiber connector must be specified at time of order - eg: [model]+SC+3RU |
Connector Suffix | |
---|---|
+SC | SC/PC |
+FC | FC/PC |
Rear Plate Suffix | |
---|---|
+1RU | 1RU rear plate for use with 7701FR Multiframe |
+SA | Standalone Enclosure Rear Plate |
+3RU | 3RU rear plate for use with 350FR, 7700FR-C or 7800FR Multiframes |
Enclosures | |
---|---|
350FR | Portable Multiframe which holds 7 single slot modules |
7700FR-C | 3RU Multiframe which holds 15 single slot modules |
7800FR | 3RU Multiframe which holds 15 single slot modules |
7701FR | 1RU Multiframe which holds 3 single slot modules |
S7701FR | 7700 Series Standalone Enclosure |
Accessories | |
---|---|
7707MX-BHP-15 | Bulkhead Break out Panel for 15 x 7707MT cards (includes 15 3 ft. cables) |
7707MX-BHP-15-B | Bulkhead Break out Panel for 15 x 7707MT cards (includes 15 3 ft. cables) for balanced audio only |
7707MX-BHP-1 | Bulkhead Break out Panel for 1 x 7707MT cards (includes 1 3 ft. cable) |