Model 922-DSL
SUBSEA QUALIFIED HYBRID MODEM
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The model 922-DSL offers the advantage of supporting three modem types (DSL, Serial and Optical) with integrated managed Ethernet switch and device server on a single card. This facilitates easy and flexible integration into a Subsea Electronics Module (SEM).
The model 922-DSL modem is a highly flexible modem supporting multiple transmission mediums. This allows customers to upgrade legacy systems that use DSL or serial links, and also support fiber-optic or copper SIIS level 3 (Ethernet) links with the same card.
Communication to the model 922-DSL SIIS level 3 (Ethernet), or SIIS Level 2 serial (RS-232/422 IWIS/485). It also can perform format conversion, such as communicate over RS-232 at one end, and convert to ethernet at the other end. This flexibility provides many benefits in interoperability with legacy systems or modern control systems.
Advanced diagnostics provide real time health monitoring of the system and include optical SFP information, temperature, voltage, humidity, Ethernet link status, and Ethernet switch configuration. The model 922-DSL uses the common SOC unified software interface, making integration faster and easier.
Optical communication performance can be extended by using Focal’s subsea qualified fiber-optic SFP modules. Option are available supporting tiebacks or step outs of up to 200 km.
Features
- Support for SIIS level 3 Ethernet (copper or fiber-optic), DSL Serial
- Internal communications supports 3-port SIIS level 3 managed switch, 2 x SIIS level 2 RS-232 / 422 / 485 serial
- User configurable automatic media switching with priority
- Integrated device server and managed Ethernet switch
- DHCP-configured IP address with static IP backup
- Isolation, reverse polarity protection, over-voltage protection
- Serial-UDP, Modbus RTU – Modbus TCP, PPP-IP
- Qualified per ISO 13628-6 / API 17F
- MTBF > 200,000 hours at +40°C
- Advanced diagnostics and configuration using Modbus TCP
- 3U Eurocard form-factor with options for front panel
- Failsafe remote firmware update
Benefits
- Fully Qualified for use subsea per ISO13628-6 / API 17F
- Proven SIIS Level I, II and III and IWIS solution for subsea communications
- Reduces cost by using standard configurations
- Simplifies integration with unified software interface
- Reduces card count and architecture complexity by supporting multiple I/O
| 922-DSL Specifications | |
|---|---|
| Long Range DSL |
|
| No. Ports |
1, Shielded front panel connector |
| Protocol |
SHDSL |
| Baud Rate |
64Kbps to 15Mbps, 2.5 Mbps @13,500 Feet |
| Distance |
Max 21,000 Feet / 6Km |
| Protection |
ESD ±15 kV air, ±8 kV contact |
| SIIS Level 2 (Serial RS-232 / 422 IWIS / 485) |
|
| No. Ports |
2 (2 on 96-pin DIN) |
| Format |
RS-232 / 422 / 485, software configurable |
| Baud Rate |
230.4 Kbaud max. |
| Protection |
Over-voltage up to ±25V; ESD ±15 kV air, ±8 kV contact |
| Isolation |
1000 Vrms |
| SIIS Level 3 (Optical and Copper Ethernet) |
|
| No. Ports | Copper : 3 (2 on 96-pin DIN, 1 on Front) Optical : 1 X SFP Port |
| Format |
SIIS level 3, 10/100 Base-T(X) |
| Connectors |
|
| Backplane |
1 x 96-pin DIN 416612 |
| Front | 1 x 9-pin Micro-D 1 x SFP (optical port) 1 X DSL |
| Power |
|
| Consumption |
SIIS-Medium, 5.5 W typical (6 W max.) |
| Voltage |
+20 to +28 VDC, regulated |
| Current |
0.2A (0.5 A max.) |
| Protection |
ESD, EMI, over-voltage, reverse voltage, overcurrent (no fuses) |
| Management |
|
| Operating Modes |
Serial - Ethernet Gateway, CAN - Ethernet Gateway, IWIS PPP– IP gateway, MODBUS RTU - TCP Gateway |
| Ethernet Switch |
Layer 2, Broadcast storm protection, rate limiting, flow control, 802.1q VLAN, DHCP, 802.1p port Priority, port mirroring |
| Diagnostics and Configuration |
LED, Webserver, Modbus TCP / RTU, CLI, TELNET |
| Redundancy |
Automatic |
| Firmware Update |
Fail safe remote firmware update |
| Mechanical |
|
| Dimensions |
3U Eurocard, 160 mm x 100 mm x 4 HP |
| Mounting |
Eurocard 3U rack or 4 x M3 hardware |
| Options |
Front panel |
| Life Cycle |
|
| Design Life |
> 20 years @ +40°C |
| MTBF |
> 200,000 hrs @ +40°C |
| Testing |
Factory Acceptance Test (FAT) at min. and max. temperature |
| Options |
Environmental Stress Screening, shock, vibration and thermal |
| Environmental |
|
| Temperature |
-20°C to +70°C (operation) -40°C to +85°C (storage) |
| Humidity |
5% to 85% RH, non-condensing |
| Vibration |
5 g, per ISO13628-6 / API 17F |
| Shock |
30 g, per ISO 13628-6/ API 17F |
| Qualification |
ISO 13628-6 Q1/ API 17F |
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Typical Applications
- Subsea communications
- Subsea drilling and production controls
- Subsea Electronics Modules (SEM) and other subsea distribution nodes
