| Power Source | 
100 - 240 V AC, 50/60 Hz (use of the supplied AC adapter) | 
| Power Consumption | 
74.4 W | 
| Current Consumption | 
Max. 3.1 A DC (when 24 V DC is supplied from the accessory AC adapter) | 
| Gain | 
Upstream: +16.5 dB Downstream: +12.5 dB | 
| Connection Terminal | 
Central unit connection terminal: BNC jack Bridge unit connection terminal: RJ45 connector | 
| LED Indicator | 
Connection status indicators (3 LEDs each on the front and rear panels), Power indicator | 
| Number of Connectable Chairman/Delegate Units | 
Up to 24 units (when using 21 units of TS-919B1 or 6 units of TS-919B4, both optional Expansion units) | 
| Operating Temperature | 
0 ℃ to +40 ℃ (32 ゜F to 104 ゜F) | 
| Operating Temperature | 
90 %RH or less (no condensation) | 
| Finish | 
Panel: Aluminum, black, 30% gloss, melamine-baked paint case: Pre-coated steel plate, black | 
| Dimensions | 
210 (W) × 44 (H) × 296.5 (D) mm (8.27" × 1.73" × 11.67") | 
| Weight | 
1.6 kg (3.53 lb) | 
| Accessory | 
AC adapter (Cord length: 1.8 m (5.91 ft) DC cord, and 2 m (6.56 ft) detachable AC cord)…1, BNC plug-to-BNC plug cord (50 cm (1.64 ft)) …1 | 
| Option | 
Rack mounting bracket: MB-15B-BK (for rack mounting one TS-918 unit) MB-15B-J (for rack mounting two TS-918 units) |