Telex RadioCom BTR-700, Operating Instructions Manual

Page: 22 / 68

In ter com Switch
The Radiocom™ wire less sys tem can be in ter faced to RTS
TW, Audiocom® (Telex), Clear-Com®, RTS ma trix and other
in ter com (I/C) sys tems. Set the In ter com switch on the rear of
the unit to the ap pro pri ate sys tem and con nect the sys tem to
the base sta tion. The in ter com chan nel on the rear of the base
sta tion has loop-thru male and fe male XLR con nec tions for
two-wire sys tems and a RJ-11 type jack for four-wire sys tems.
This switch only af fects the two-wire in ter com sys tems. The
func tions of the I/C XLRs change de pend ing on the in ter com
se lected. Please see Sec tion 11 for pinout in for ma tion of the
dif fer ent two-wire in ter com sys tems.
In ter com In ter face
Telex (Audiocom®) and Clear-Com® in ter com sys tems re -
quire one ca ble for in ter com. This in ter fac ing is done through
the I/C 3 pin XLR con nec tors on the rear of the unit.
RTS TW in ter coms also only need to con nect one 3 pin ca ble
to one of the two in ter com XLR con nec tors. Two chan nels of
au
dio are car ried on one ca ble for RTS. RTS chan nel 1 is
placed on the in ter com nor mally. Switch the rear panel I/C
switch to Clear-Com® to in ter face only to RTS au dio channel
2. Once again, leave it in RTS to in ter face to only RTS audio
Chan nel 1.
Four wire in ter com sys tems re quire only one ca ble for the in -
ter com to in ter face four wire in ter com to the base sta tion. This
in ter fac ing is done through the I/C RJ-11 type jacks on the
rear of the unit. See Fig ure 16 for the pinout of the RJ-11
jacks.
Fig ure 16
RJ-11 Type/ Four-wire Pinout
4-6
NC
AUDIO IN +
AUDIO OUT +
AUDIO OUT -
AUDIO IN -
NC
PIN 6 5 4 3 2 1