37907A Signaling Advisor Mainframe
- Number of LIM slots available: 2
- Processing capacity: Up to 32 duplex signaling links (64 kb/s at 1 erlang)
- Telephone handset connector: RJ11
- Physical dimensions: L × W × H (mm): 310 × 310 × 100
- Weight: 7 kg
- Volume: 10 liters
- Power: 100-120Vac±10%, 220-240Vac±10%, 50-60Hz, 110VA max.

Operating Conditions
- Temperature:
- Operating: +5 ºC to +40 ºC (+41 ºF to +104 ºF)
- Non-operating: -25 ºC to +60 ºC (-13 ºF to +140 ºF)
- Humidity:
- Operating: 20% to 80% relative humidity
- Non-condensing To 40 ºC. Storage: 10% to 90% relative humidity to 60 ºC
- Altitude:
Operation: 4,575 meters (15,000 feet); Storage 15,250 meters
(50,000 feet).

Specifications for Mainframe:
- Integrated PC (minimum specification)
- Processor: Intel Pentium or equivalent.
- Clock speed: 400 MHz (min).
- RAM: 256 MB.
- Hard disk: 3 GB IDE (min).
- Floppy drive: 3.5 inch, 1.44 MB DOS format.
- Display: 10.4 inch LCD color SVGA (active matrix TFT).
- Pointing device: Integrated mouse (external serial mouse also supplied as
standard).
- Operating system: MS Windows98
- External interfaces
- Video output: SVGA, 800 × 600 resolution
- Printer: Parallel port
- Serial: RS-232-C
- PCMCIA PC cards: Slots for one type III or two type II