Talkaphone ETP-402V Dual Button Emergency / Information Phone User Manual
Page 25
Federal Communications Commission Information
I. The Talk-A-Phone Co. U. S. A. Service Center is located at 7530 North Natchez
Avenue, Niles, Illinois 60714-3804, telephone number (773) 539-1100, fax number
(773) 539-1241.
XI. Phone Line Specifications
A. MODE I Operation
The following criteria must be met by a phone line to insure proper functionality of the
FCC approved equipment. All voltages use Tip as ground when measuring.
1. On-Hook voltage must be less than or equal to –36 V (-50 V standard).
2. Off-Hook should be recognized in a maximum time of 300 ms.
3. At an Off-Hook voltage of –15 V, the current that is supplied must be no less than
20 mA and no more than 120 mA.
4. Dial tone must consist of 350 Hz and 450 Hz tones at –17 dB ± 0.5%.
5. The telephone line must generate Ring-Back consisting of 440 Hz and 480 Hz
tones at –17 dB ± 0.5%, with a duty cycle of 1.6 seconds on—4.8 seconds off ±
10% interrupted at 20 Hz.
6. The telephone line must generate a busy signal consisting of 480 Hz and 620 Hz
tones at –17 dB ± 0.5%, with a duty cycle of 500 ms on—500 ms off.
7. The telephone line must be able to recognize or send the following frequencies in
order to decode or transmit DTMF:
a) 685 Hz — 709 Hz
Row 1
b) 757 Hz — 784 Hz
Row 2
c) 837 Hz — 867 Hz
Row 3
d) 925 Hz —957 Hz
Row 4
e) 1189 Hz — 1229 Hz
Column 1 (1, 4, 7, *)
f) 1314 Hz — 1358 Hz
Column 2 (2, 5, 8, 0)
g) 1453 Hz — 1501 Hz
Column 3 (3, 6, 9, #)
h) 1607 Hz — 1659 Hz
Column 4 (A, B, C, D)
8. When dialing, the telephone line should require a minimum tone pulse ON time of
40 ms, as well as a minimum between tone gap of 40 ms.
9. The telephone line should support and match with a 600W AC impedance, as
well as a DC resistance of 100 W — 200 W.
10. The telephone line should recognize a 450ms hang-up as a disconnect signal.
B. MODE II and MODE III Operation
Talk-A-Phone phones can be used with most PBX systems with non-standard dial
tones, ring-backs, busy signals and hang-ups.
- ETP-402KV Keypad Emergency Phone ETP-402KSV Keypad Access Phone ETP-400 MOD Single Button OEM Emergency Phone ETP-402KSEV Keypad Access Phone ETP-402KSE Keypad Access Phone ETP-402KS Keypad Access Phone ETP-402K Keypad Emergency Phone ETP-402CV Dual Button Assistance / Information Phone ETP-402C Dual Button Assistance / Information Phone ETP-402 Dual Button Emergency / Information Phone ETP-401V Single Button Emergency Phone ETP-401P Swimming Pool Emergency Phone ETP-401CV Single Button Assistance Phone ETP-401C Single Button Assistance Phone ETP-401 Single Button Emergency Phone ETP-400V MOD2 Single Button OEM Emergency Phone ETP-400V MOD Single Button OEM Emergency Phone ETP-400V Single Button Emergency Phone ETP-400KV Keypad Emergency Phone ETP-400KSV Keypad Access Phone ETP-400KSEV Keypad Access Phone ETP-400KSE Keypad Access Phone ETP-400KS Keypad Access Phone ETP-400K Keypad Emergency Phone ETP-400H-NC Handset Emergency Phone ETP-400DV Dual Button Emergency / Information Phone ETP-400 Emergency Phone With One Button ETP-400DCV Dual Button Assistance / Information Phone ETP-400DC Dual Button Assistance / Information Phone ETP-400D Dual Button Emergency / Information Phone ETP-400CV Single Button Assistance Phone ETP-400C Single Button Assistance Phone ETP-400 MOD2 Single Button OEM Emergency Phone ETP-103V OEM Emergency Phone ETP-103 OEM Emergency Phone ETP-100MV Surface Mount Emergency Phone ETP-100MBV Surface Mount Emergency Phone ETP-100MB Surface Mount Emergency Phone ETP-100M Surface Mount Emergency Phone ETP-100EV Flush Mount Emergency Phone ETP-100EBV Flush Mount Emergency Phone ETP-100EB Flush Mount Emergency Phone ETP-100E Flush Mount Emergency Phone