Telex RTS BP-325 2-Channel Portable Beltpack Station (Black)

Polystyrene and polycarbonate mix

Impedance

Across Intercom Line: 10 kOhms typical

Noise

-75 dBu contribution to 200 Ohms Intercom Line

Program Input

Maximum input level: +20 dBu
Nominal input level: -10 to +8 dBu
Frequency response: 100 Hz to 12 kHz, ±3 dB

Connector

Monaural Dynamic-mic Headset Connector
XLR-4-31 receptacle (J13)
Pin 1 - Microphone low
Pin 2 - Microphone high
Pin 3 - Common
Pin 4 - Headphone high

Stereo Dynamic-mic Headset Connector
XLR-5-31 receptacle (J14)
Pin 1 - Microphone low
Pin 2 - Microphone high
Pin 3 - Common
Pin 4 - Headphone left high
Pin 5 - Headphone right high

Carbon-mic Headset Connector (J1)
1/4", 3-conductor Phone Jack

Used for Headset:
Tip - Carbon microphone
Ring - Headphone
Sleeve - Common

Used for Mic Switch:
Tip - Remote switch normal-open contact
Ring - No connection
Sleeve - Remote switch common

Intercom Line Input Connector (J11)
XLR-3-31 female receptacle
Pin 1 - Common
Pin 2 - Channel 1 intercom audio and +DC
Pin 3 - Channel 2 intercom audio

Line Loop/Aux Connector (J10)
XLR-3-32 male receptacle

Used for Loop-through:
Pin 1 - Common
Pin 2 - Channel 1 intercom audio and +DC
Pin 3 - Channel 2 intercom audio

Used for Program Input:
Pin 1 - Common
Pin 2 - Program input high
Pin 3 - Program input low

Used for Remote Mic Switch and/or External Power:
Pin 1 - Common
Pin 2 - +22 to +24 VDC
Pin 3 - Remote switch normal-open contact

Power Requirements

30 VDC nominal (standard RTS line), 65 to 85 mA

Environmental Requirements

Storage: -4 to 176° F (-20 to 80° C); 0% to 95% humidity, noncondensing
Operating: 32 to 122° F (0 to 50° C); 0% to 95% humidity, noncondensing

Dimensions (H x W x D)

5.0 x 3.8 x 2.1" (127.0 x 96.3 x 52.1 mm)

Weight

12 oz (340 g)

Package Weight

1.085 lb

Box Dimensions (LxWxH)

8.9 x 4.9 x 4.35"