Overview
The 1.25 GB 1310/1490nm GBIC BIDI transceiver is used with Single-mode fiber to span up to 24.8 Miles (40Km). The Transmitter section uses a DFB laser transmitter to transmit optic signals. These Gigabit Interface Converter Bidirectional (GBIC BIDI) transceivers are cost effective, easy to deploy, compact and swappable complying with the SFF 8472 standards.
Key Features
- Compliant with SFF-8472
- Up to 1.25Gb/s data links
- DFB laser transmitter and PIN photo-detector
- Up to 24.8 Miles(40Km) on 9/125µm SMF
- GBIC footprint
- BIDI SC/UPC type pluggable optical interface
- Low power dissipation
- Metal enclosure, for lower EMI
- RoHS compliant and lead-free
- Single +5V power supply
- Case Operation Temperature range from 32°F to +158°F(0°C to +70°C)
Technical Specifications
| Standard | SFF-8472 |
| Working Range | Up to 24.8 Miles(40 Km) |
| Data rate | 1.25Gb/s |
| Wavelength | 1310~1490nm |
| Transmitter Off Output Power | -45dBm |
| Receiver Sensitivity | -24dBm |
| Receiver Input Saturation Power(Overload) | -1dBM |
| Supply Voltage | 0-6V |
| Transmitter Differential Line Input Impedance | 90-110Ω |
| Dimensions | 2.2in*1.08in*0.46 in                                              (L 57.1mm*W 27.6mm*H 11.9mm) |
| Relative Humidity | 5% to 95% |
| Storage Temperature | -40°F to 185°F (-40°C to 85°C) |
| Case Operating Temperature | 32°F to +158°F (0°C to 70°C) |
PIN Descriptions:
| Pin | Symbol | I/O Type | Functional Description |
| 1. | RX_LOS | Output | Receiver Loss of Signal, Logic high, Open collector compatible 4.7K to 10K Ohm pulls up to VDDT on host. |
| 2. | RGND | Receiver Ground | |
| 3. | RGND | Receiver Ground | |
| 4. | MOD_DEF(0) | Output | Module Definition 0 TTL Low |
| 5. | MOD_DEF(1) | Input | Module Definition 1 Two wire serial ID interface SCL, 4.7K to 10K Ohm pull up to VDDT on host |
| 6. | MOD_DEF(2) | I/O | Module Definition 2 Two wire serial ID interface SDA, 4.7K to 10K Ohm pull up to VDDT on host |
| 7. | TX_DISABLE | Input | Transmitter Disable – Module disable on high or open (No Used) |
| 8. | TGND | Transmitter Ground | |
| 9. | TGND | Transmitter Ground | |
| 10. | TX_FAULT | Output | Transmitter Fault Indication, Logic high, open collector Compatible , 4.7K to 10K Ohm pull up to VDDT on host |
| 11. | RGND | Receiver Ground | |
| 12. | -RX_DAT | Output | Inverse Received Data Out, Differential PECL, at AC couple |
| 13. | +RX_DAT | Output | Received Data Out, Differential PECL, at AC couple |
| 14. | RGND | Receiver Ground | |
| 15. | VDDR | Input | Receiver Power |
| 16. | VDDT | Input | Transmitter Power |
| 17. | TGND | Transmitter Ground | |
| 18. | +TX_DAT | Input | Transmitter Data In, Differential PECL, AC couple |
| 19. | -TX_DAT | Input | Inverse Transmitter Data In, Differential PECL, AC couple |
| 20. | TGND | Transmitter Ground |
Electrical Interface Characteristics
| Parameter | Symbol | Min | Typ. | Max | Unit | Note |
| Transmitter | ||||||
| Total Supply Current | ICC | A | mA | Note(1) | ||
| Transmitter Disable Input-High | VDISH | 2 | Vcc+0.3 | V | ||
| Transmitter Disable Input-Low | VDISL | 0 | 0.8 | V | ||
| Transmitter Fault Input-High | VDISL | 2 | Vcc+0.3 | V | ||
| Transmitter Fault Input-Low | VTxFH | 0 | 0.8 | V | Â | |
| Receiver | ||||||
| Total Supply Current | Icc | B | mA | Note(1) | ||
| LOSS Output Voltage-High | VLOSH | 2 | Vcc+0.3 | V | LVTTL | |
| LOSS Output Voltage-Low | VLOSL | 0 | 0.8 | V | ||
Note (1): A (TX) + B (RX) = 300mA (Not include termination circuit)
Applications:
- Switch to Switch Interface
- Gigabit Ethernet
- Switched Backplane Applications
- Router/Server Interface
- Other Optical Links
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