
Station Apparatus
7-39
Strata CTX I&M September 2002
4. Connect the HESC-65A cable to P601 of the
HHEU (both HHEU1A versions and the HHEU2
have P601) if the Loud Ringing Bell option is
required.
Chapter 8 – Peripheral Installation
HESB installation procedures.
5. For the V.3 HHEU1: If only the headset is
connected to the HHEU, cut both sides of the
R607 resistor, then remove the resistor to
eliminate electrical contact.
Note
Do not cut the R607 resistor if
connecting an HESB to the HHEU for
the Loud Ringing Bell–even if a
headset is also installed on the HHEU.
...or
For the V.4 HHEU1 and the HHEU2: if only the
headset is connected to the HHEU, cut the
speaker OCA strap.
Note
Do not cut the speaker OCA strap if connecting an HESB to the HHEU for the Loud
Ringing Bell–even if a headset is also installed on the HHEU.
6. Position the HHEU PCB on the standoffs inside the base, and secure with the two provided screws.
Note
for Steps
7. Connect the wire plug of the HHEU PCB to the HHEU connector on the PCB in the phone.
8. If an HESB will be connected to the HHEU (for Loud Ringing Bell), locate the EX.SP strap on
the PCB in the telephone and
cut
the strap.
9. If a headset will be connected to the HHEU, locate and
cut
the HHEU strap on the PCB in the
phone.
Note
If the HHEU PCB is removed from the phone, the HHEU strap must be replaced for
proper telephone operation.
Feed Through
for HESC-65(A) Cable
To HESB
Block
SW601
HHEU
P601
HESC-65 Cable
or
HESC-65A Cable
1488
Figure 7-34
HESC-65A Cabling
Содержание Strara CTX Series
Страница 10: ...Contents viii Strata CTX I M September 2002 ...
Страница 14: ...Introduction xii Strata CTX I M September 2002 ...
Страница 52: ...Strata CTX Configuration 1 38 Strata CTX I M September 2002 ...
Страница 176: ...ISDN Interfaces 5 28 Strata CTX I M September 2002 ...
Страница 278: ...Peripheral Installation 8 32 Strata CTX I M September 2002 ...
Страница 290: ...Index IN 6 Strata CTX I M September 2002 ...