4.
OPTIONAL DEVICES
4.1
Analog Telephone FC755D1
FUNCTION key: Registers/dials abbreviated dialing numbers.
Note: If a different telephone is used it must satisfy the requirements shown below.
Item
On hook voltage
Ringer frequency
Ringer pattern
Ringer voltage
Off hook detection voltage
Off hook group voltage
2 W impedance
RING TONE lamp:
Lights when calling;
blinks when holding a call.
ONE-TOUCH DIAL keys:
Register/dial abbreviated dialing
numbers.
Change the ring tone and ring
pattern.
Display: Shows number being dialed,
settings, etc.
RCV lamp:
Blinks when call is received.
VOLUME key:
Adjusts volume of ring, or volume of receiver
when speaking.
ONE-TOUCH DIAL keys:
Register/dial abbreviated dialing
numbers.
Numeric, symbol keys:
0-9: Manually dial telephone number.
*: Enables hold, forward, and
intercom functions.
#: End code
HOLD key: Holds call.
HOOK key: Starts/cancels forwarding.
REDIAL key: Redials subscriber last dialed. Also used in to insert a
pause when registering one-touch dialing numbers.
key (SPEAKER key): Allows you to dial telephone
number with handset on hook.
Specification
49 VDC (no load)
20 Hz
2 s ON/4 s OFF
65 Vrms (no load)
10 mA
24 mA (300 ohm load)
600 ohms
Standard
ETSI, JAPAN
JAPAN, ANSI
ANSI
ETSI, JAPAN
ETSI
ETSI, JAPAN
JAPAN
4-1
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