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MPK Router Control Interface Application Note (192.3kB)
The 7707DT series Fiber Data Transceivers provide an economical method of transmitting multiple bi-directional RS-232, RS-422, RS-485 data signals as well as Linear Time Code (LTC) over a single fiber optic link. The 7707DT-GPIO version provides additional RS-232 and General Purpose Input/Outputs (GPIO). A pair of 7707DT Data Transceivers permits bi-directional data transmission over distances up to 100 Km, with minimum possible latency.
Single and dual fiber(-F2) optical interface configurations allow the user to choose the optimal function/price/performance ratio to suit a particular application. The dual fiber configuration is compatible with CWDM/DWDM systems and is designed to transmit and receive over separate fibers. The optical output of the 7707DT is available in 1310nm, 1550nm, CWDM and DWDM wavelengths.
The 7707DT occupies one card slot and the 7707DT-GPIO occupies two card slots. Both 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
- 7707DT transports four RS-422 or RS-485, three RS-232, and one LTC
- 7707DT-GPIO version provides five additional RS-232 and eight additional General Purpose Input/Outputs (GPIO)
- Selectable termination and failsafe bias settings for RS-422/485 data inputs
- Selectable network timeouts for RS-485 accommodate twelve data rates
- All configuration settings are controllable through the card-edge user interface, or VistaLINK®
- Comprehensive signal and status monitoring via four-digit card-edge display, or VistaLINK®
- Optical output wavelengths of 1310nm, 1550nm, and up to sixteen CWDM wavelengths (ITU-T G.694.2 compliant)
- DWDM wavelengths also available (ITU-T G.694.1 compliant)
- Supports with multi-mode and single-mode fiber (dual fiber version)
- SC/PC or FC/PC* fiber connector options
- Fully hot swappable from front of frame
- Comprehensive signal and card status monitoring via four digit card edge display or remotely through SNMP and VistaLINK® capability
Specifications
RS-422/485 Serial Data | |
|---|---|
| Number of Signals | 4 inputs/outputs |
| Connector | Multi-pin removable terminal block |
| Type | RS-485 or RS-422 (selectable) |
| Input Termination | 110Ω or Open (selectable) |
| Input Failsafe Bias | 200mV (3.3mA into 60Ω) or None (selectable) |
| Bit Rate | |
| RS-422 | 460kb/s |
| RS-485 | 1.2kb/s, 2.4kb/s, 4.8kb/s, 9.6kb/s, 19.2kb/s, 38.4kb/s, 57.6kb/s, 76.8kb/s, 115kb/s, 153kb/s, 230kb/s or 460kb/s (selectable) |
RS-232 Serial Data | |
|---|---|
| Number of Signals | |
| Standard | 3 inputs/outputs |
| -GPIO | 8 inputs/outputs |
| Connector | Multi-pin removable terminal block |
| Type | RS-232 |
| Maximum Bit Rate | 115kb/s |
LTC Data | |
|---|---|
| Number of Signals | 1 input/output |
| Connector | Multi-pin removable terminal block |
| Signal Type | SMPTE ST 12-1 Linear Time Code |
| Rise/Fall Time | 40µs ±10µs |
| Input Level | 0.2V to 4V p-p (blanaced or unbalanced) |
| Output Level | 1V p-p nominal (balanced) |
General Purpose Inputs-GPIO Versions | |
|---|---|
| Type | Opto-isolated, Active low |
| Number of Inputs | 8 |
| Connector | Multi-pin removable terminal block |
| Voltage | |
| Safe Voltage Range | -20V to +10V |
| Off Condition (min) | +3.5V |
| On Condition (max) | +2.5V (active low) |
| Current | |
| Minimum | 1mA |
| Maximum | 10mA (internally limited) |
General Purpose Outputs-GPIO Versions | |
|---|---|
| Type | Dry contact relay closure, normally open |
| Number of Outputs | 8 |
| Connector | Multi-pin removable terminal block |
| Minimum Current | 100mA |
Optical Input / Output | |
|---|---|
| Connector | |
| Single fiber version | 1 Bi-directional optical connector - SC/PC or FC/PC female housing |
| Dual fiber(F2) version | 2 optical connector - SC/PC female housing |
| Maximum Input Power | 0dBm |
| Input Optical Sensitivity | |
| WDM (-w version) | -26dBm |
| Standard | -28dBm |
| Wavelengths | |
| Standard | 1310nm, 1550nm |
| CWDM | 1270nm -1610nm |
| DWDM | C-Band (ITU-T G.694.1 compliant) |
| Output Power | |
| 1310nm FP | -7dBm ±1dBm |
| 1310nm (-W) | -1dBm ±1dBm |
| 1550nm, CDWM (DFB) | 0dBm ±1dBm |
| DWDM (DFB) | +7dBm ±1dBm |
Electrical | |
|---|---|
| Voltage | +12V DC |
| Power | 6 Watts (Non-DWDM) or 8 Watts (DWDM) |
Physical | |
|---|---|
| Number of Slots | |
| 7700 Frame Mounting | 1 (7707DT) or 2 (7707DT-GPIO) |
| 7701 Frame Mounting | 1 - all versions |
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
| Multi RS-232/422/485 Fiber Data Transceiver | |
|---|---|
| 7707DT13M-W | Single Fiber, WDM, 1310nm FP Tx, Rx on 1550nm (must be paired with 7707DT15-W) |
| 7707DT13M-W-GPIO | Single Fiber, WDM, 1310nm FP Tx, Rx on 1550nm with GPIO (must be paired with 7707DT15-W-GPIO) |
| 7707DT15-W | Single Fiber, WDM, 1550nm DFB Tx, Rx on 1310nm (must be paired with 7707DT13M-W) |
| 7707DT15-W-GPIO | Single Fiber, WDM, 1550nm DFB Tx, Rx on 1310nm with GPIO (must be paired with 7707DT13M-W-GPIO) |
| 7707DT13-F2 | Dual Fiber, 1310nm FP Tx and Rx |
|---|---|
| 7707DT13-F2-GPIO | Dual Fiber, 1310nm FP Tx and Rx with GPIO |
| CWDM (Ordering Information) | |
|---|---|
| 7707DTxx-F2 | Dual Fiber, CWDM DFB laser |
| 7707DTxx-F2-GPIO | Dual Fiber with GPIO, CWDM DFB laser |
| DWDM (Ordering Information) | |
|---|---|
| 7707DTDxxx-F2 | Dual Fiber, DWDM DFB laser (Contact Factory for Wavelength Availability) |
| 7707DTDxxx-F2-GPIO | Dual Fiber with GPIO, DWDM DFB laser (Contact Factory for Wavelength Availability) |
Ordering Options | |
|---|---|
| Notes | • +FC option (FC/PC connector) is only available on single fiber version |
| • Rear plate and fiber connector must be specified at time of order - eg: [model]+SC+3RU | |
| Connector Suffix | |
|---|---|
| +SC | SC/PC |
| +FC | FC/PC |
| +AP+SC | SC/APC (Angle Polished) |
| +AP+FC | FC/APC (Angle Polished) |
| 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 |