RTS IFB-828 8-Channel IFB Panel with Volume Controls

The IFB-828 interfaces up to eight (8) RTS System’s Model IFB-325, 4020, or 4030 IFB Belt Packs to any RTS Digital Matrix Intercom System, and it provides power to belt packs.

The IFB-828 may also be used as a simple program interface to feed two (2) separate program sources to each of eight (8) 4020 or 4030 belt packs (16 program sources to eight (8) belt packs total).

Dimensions

• 19” wide x 1.75” high x 7.5” deep (483mm x 44.5mm x 191mm)

Input Power Requirements

• 110/120 or 220/240 VAC, 50/60Hz, selectable via a back panel switch

Audio Inputs

• Type: Balanced (transformer coupled)
• Level: +4 to +8dBu
• Impedance: Approximately 600 Ohms

Audio Outputs

• Type: Unbalanced
• Level: -10 to -6dBu

Output Power (each IFB belt pack channel)

• +24VDC, 160mA not to exceed a total of 750mA

Connectors

Input (J9)

• Type: 50-pin telco

Outputs (J1 to J8)

• Type: 3-Pin Male XLR
• Pin 1: Audio and DC Common
• Pin 2: +IFB Audio (interrupt audio) and +24VDC