SECTION 502-541-407
(d) An operated key plunger should release from
its operated position on the upstroke of the
hold button.
3.
CONNECTIONS
3.01
The 564HK, 564HL, and 564HLM telephone
sets are factory-wired for use with lAl,
1A2, or 6A key telephone systems (KTS). These
sets are not equipped or intended for use with
exclusion, speakerphone, or lA KTS.
3.02
The 564HL and 564HLM telephone sets are
factory-equipped with a KS-20419Ll (10 volt
AC only) buzzer.
3.03
Current models of the 564HL and 564HLM
telephone sets are furnished with the HlB
ringer.
3.04
Red and black ringer leads are factory-wired
to terminals RR and RT. Refer to notes in
Fig. 3 or 4 for ringer connection when bridged
ringing on a particular line is desired.
A
I
NOTE:
ADD KS-15724, L1 DIODE
I
) CURRENT COLOR CODE
( J
MD COLOR CODE
INDICATES LEAD INVOLVED
IN MODIFICATION
Fig. 14Station Busy Lamp (Without I Hold Feature).
Page 2
AI (0-W)
BL (Y-BR)
LZ
(!)
(Y)f
SP
(G-Y)
(0-BK)t
ADD
STRAP
IW)
t
SPARE T ERMINAL OR D-161488 CONNE CTOR
*
LEADS INVOLVED IN MODIFICATION
@
WITHOUT STATION BUSY LAMP
G)
W ITH STATION BUSY LAMP
LS
LINE SWI T CH
H
HOLD KEY
I )
CURRENT COLOR CODE
[ ]
MO COLOR CODE
Fig. 241 Hold Arrangement.
BSP 502-541-407-i04_1975-12-02.jpg Scanned by Frank Harrell, (Cowboy
