Telex AUDIOCOM BP-2000 - Manual (Page 12)

TABLE 2. INTERNAL SWITCHES AND JUMPERS
JUMPER/
SWITCH
NUMBER
JUMPER OR SWITCH FUNCTION DEFAULT
SETTING
SW1 Electret / Dynamic Microphone Select Dynamic
^ (Must be set to Dynamic when J15 func-
tions are desired)
J15 Balanced/ Single-ended Dynamic Mic Pins 1&2
shorted
^ (SW1 must be set to Dynamic)
^ Single-ended Mic: Pins 1&2 shorted
^ Balanced Mic: Pins 2&3 shorted
J3 Power Select Pins 2&3
shorted
^ Channel One Power: Pins 2&3 shorted
^ (On BP-1000, pins 2&3 always shorted)
^ Channel Two Power: Pins 1&2 shorted
J5 Power Select Pins 2&3
shorted
^ Channel One Power: Pins 2&3 shorted
(On BP-1000, Pins 2&3 always shorted.)
^ Channel Two Power: Pins 1&2 shorted
^ (Must be set for same channel as J3 for
proper power operation in Audiocom®
mode on BP-2000)
^ (Must be used in conjunction with SW3)
SW3 Clear-Com / Audiocom® Operation Balanced
^ Unbalanced / Balanced Line
^ (Must be used in conjunction with
J2, J5, J6, and J7)
J2 Clear-Com / Audiocom® Operation Pins 2&3
shorted
^ Pins 1&2 shorted: UNBAL (Clear-Com)
^ Pins 2&3 shorted: BAL (Audiocom®)
^ (Must be used in conjunction with SW3)
J6 DC Call Detect (Clear-Com operation only,
not used in Audiocom® mode) BP-2000 only No jumper
present
^ Disabled: No pins jumpered
^ Enabled: Pins 1&2 shorted
^ (To enable, use jumper from J5)
J7 DC Call Detect (Clear-Com operation only,
not used in Audiocom® mode) BP-2000 only Jumper on
one pin
only ^ Disabled: No pins jumpered
^ Enabled: Pins 1&2 shorted
11