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Features
- Extends up to 3 or 8 independent channels of intercom communication over a single fiber optic link
- Configurable interface to:
- RTS-Telex Matrix: 4-Wire Audio, RS-485 Data, GPIO
- ClearCom Matrix: 4-Wire Audio, RS-422 Data, GPIO
- RTS-Telex Party-Line: 2-Wire Audio, GPIO
- ClearCom Party-line: 2-Wire Audio, GPIO
- NOTE: Does not perform conversion between 2-Wire and 4-Wire systems
- Independent channels can simultaneously accommodate different intercom types
- User-friendly selection of intercom interfaces via programmed profiles
- All configurations and adjustments are controllable through the card-edge user interface or remotely via SNMP and VistaLINK®
- Unique self-calibration of party-line audio null levels
- Selectable termination, and failsafe bias settings for RS-422/485data inputs
- Provides 2 general-purpose inputs (GPI's), and 2 general purpose outputs (GPO's)
- Comprehensive signal and card 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 (ITU-T G.694.1 compliant) also available
- Compatible with single-mode and multi-mode fiber optic cable (dual fiber version)
- Fully hot swappable from front of frame
- Occupies two card slots 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.
- VistaLINK® capable for remote monitoring via SNMP (using VistaLINK® PRO) when installed in 7800FR frame with a 7800FC VistaLINK® Frame Controller
Specifications
Analog Audio Input/Output | |
|---|---|
| Balanced/Matrix Type Audio | |
| Number of Signals | |
| 7707IT-3 | 3 inputs, 3 outputs |
| 7707IT-8 | 8 inputs, 8 outputs |
| Type | Analog Audio, Balanced |
| Industry Standards | ClearCom, RTS-Telex |
| Connector | Multi-pin removable terminal block |
| Input Impedance | > 10kΩ |
| Output Impedance | 66Ω |
| Signal Resolution | 24 Bit |
| Sampling Rate | 52.7kHz |
| Frequency Response | 20Hz to 20kHz |
| Gain Flatness | ±2dB |
| Maximum Input Level | +20dBu |
| Maximum Output Level | |
| Into 10kΩ | +20dBu |
| Into 600Ω | +19dBu |
| SNR | > 90dB |
| THD | < 0.01% |
| Crosstalk | < -80dB |
| Controllable Gain | -10dB to +10dB |
| Unbalanced/Party-Line Type Audio | |
|---|---|
| Number of Signals | |
| 7707IT-3 | 3 |
| 7707IT-8 | 8 |
| Type | Analog Audio, Full-duplex, Unbalanced |
| Industry Standards | ClearCom, RTS-Telex |
| Connector | Multi-pin removable terminal block |
| Signal Coupling | AC coupled (accommodates 30V "wet" inputs) |
| Bridging Impedance | > 10kΩ |
| Signal Resolution | 24 Bit |
| Sampling Rate | 52.7kHz |
| Sidetone Null | > 25dB |
| Sidetone Null Range | 100Ω to 300Ω load |
| Frequency Response | 120Hz to 20kHz |
| Gain Flatness | ±2dB |
| Maximum Input Level | +5dBu |
| Maximum Output Level | +5dBu (into 200Ω load) |
| SNR | > 75dB |
| THD | < 0.1% |
| Crosstalk | < -60dB |
| Controllable Gain | -5dB to +5dB (into 200Ω load) |
| Receive Signaling | 4V DC min (ClearCom), 20kHz ±500Hz (RTS) |
| Send Signaling | 11V DC min (ClearCom), 20kHz ±100Hz (RTS) |
RS-422/485 Serial Data | |
|---|---|
| Number of Signals | |
| 7707IT-3 | 3 |
| 7707IT-8 | 8 |
| Connector | Multi-pin removable terminal block |
| Type | RS-485 or RS-422 (selectable) |
| Input Termination | 120Ω or Open (selectable) |
| Input Failsafe Bias | 200mV (3.3mA into 60Ω) or None (selectable) |
| Bit Rate | |
| RS-485 | Compatible with all Telex RS485 rates |
| RS-422 | 460kb/s |
Optical Input / Output | |
|---|---|
| Number of Connections | 1 (single fiber version) or 2 (-F2 dual fiber version) |
| Connector | Female SC/PC or FC/PC |
| Input Wavelength | 1270nm to 1610nm |
| Maximum Input Power | 0dBm |
| Output Wavelength | |
| Standard | 1310nm, 1550nm (nominal) |
| CWDM | 1270nm to 1610nm (ITU-T G.694.2 compliant) |
| DWDM | C-Band (ITU-T G.694.1 compliant) |
| Output Power | |
| 1310nm FP | -7dBm ±1dBm |
| 1310nm (-W version) | -1dBm ±1dBm |
| 1550nm, CDWM (DFB) | 0dBm ±1dBm |
| DWDM (DFB) | +7dBm ±1dBm |
| Optical Sensitivity | |
| WDM (-W version) | -26dBm |
| Standard | -28dBm |
General Purpose Inputs | |
|---|---|
| Type | Opto-isolated, Active low |
| Number of Inputs | 2 |
| 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 | |
|---|---|
| Type | Dry contact relay closure, normally open |
| Number of Outputs | 2 |
| Connector | Multi-pin removable terminal block |
| Minimum Current | 100mA |
Electrical | |
|---|---|
| Voltage | +12V DC typical (nominal frame voltage) |
| Maximum Power | |
| 7707IT-3 | 7 Watts (Non-DWDM) or 9 Watts (DWDM) |
| 7707IT-8 | 18 Watts (Non-DWDM) or 20 Watts (DWDM) |
Physical | |
|---|---|
| Number of Slots | 2 |
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
| 7707IT13M‑3‑W | Three Channel Intercom Fiber Transceiver, Single Fiber, WDM, 1310nm FP Tx, Rx on 1550nm |
|---|---|
| 7707IT15‑3‑W | Three Channel Intercom Fiber Transceiver, Single Fiber, WDM, 1550nm DFB Tx, Rx on 1310nm |
| 7707IT13‑3‑F2 | Three Channel Intercom Fiber Transceiver, Dual Fiber, 1310nm FP Tx and Rx |
| 7707IT13M‑8‑W | Eight Channel Intercom Fiber Transceiver, Single Fiber, WDM, 1310nm FP Tx, Rx on 1550nm |
| 7707IT15‑8‑W | Eight Channel Intercom Fiber Transceiver, Single Fiber, WDM, 1550nm DFB Tx, Rx on 1310nm |
| 7707IT13‑8‑F2 | Eight Channel Intercom Fiber Transceiver, Dual Fiber, 1310nm FP Tx and Rx |
| CWDM (Ordering Information) | |
|---|---|
| 7707ITxx‑3‑F2 | Three Channel Intercom Fiber Transceiver, Dual Fiber, CWDM DFB laser |
| 7707ITxx‑8‑F2 | Eight Channel Intercom Fiber Transceiver, Dual Fiber, CWDM DFB laser |
| DWDM (Ordering Information) | |
|---|---|
| 7707ITDxxx‑3‑F2 | Three Channel Intercom Fiber Transceiver, Dual Fiber, DWDM DFB laser (Contact Factory for Wavelength Availability) |
| 7707ITDxxx‑8‑F2 | Eight Channel Intercom Fiber Transceiver, 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 |