Guardian Technologies HR70 - Manual (Page 9)

Guardian Telecom Inc.
Installation and Operation
Model HR70
Page 9
Engineering Specifications
Electrical Performance
A UDIBLE R ANGE F REQUENCY R ESPONSE 300 – 3400 H Z
D IALING M ETHOD DTMF OR 40/60 P ULSE AT 10 PPS
T RANSMIT O BJECTIVE L OUDNESS R ATING (TOLR) -41 +/- 3 dB
R ECEIVER V OLUME A DJUSTMENT +8.1 / -5.4 dB IN 5 S TEPS OF 2.7 dB
R ECEIVE O BJECTIVE L OUDNESS R ATING (ROLR)
-A T N OMINAL V OLUME L EVEL 50 +/- 3 dB
-A T M AXIMUM V OLUME L EVEL 42 +/- 3 dB
-A T M INIMUM V OLUME L EVEL 55.5 +/- 3 dB
S IDE T ONE O BJECTIVE L OUDNESS R ATING (SOLR)
-A T N OMINAL V OLUME L EVEL 11 +/- 4 dB
-A T M AXIMUM V OLUME L EVEL 7 +/- 4 dB
-A T M INIMUM V OLUME L EVEL 14 +/- 4 dB
M EMORY D IAL 10 R EGISTERS OF 20 D IGITS E ACH
F LASH 600 MSEC T IMED D ISCONNECT
M UTE P RESS K EY TO M UTE T RANSMITTER
R EDIAL 31 D IGITS M AXIMUM
R INGER O UTPUT M AX 75 dB
FCC R INGER E QUIVALENCE 0.9B
S ET I MPEDANCE 600 O HMS N OMINAL
M AXIMUM L OOP 15,000 FT (4,600 M ) OF 22 AWG C OPPER
Electrical
R INGER S ENSITIVITY 40 – 100 V, 16 – 25 H Z
L INE V OLTAGE 24 – 56 VDC
L OOP C URRENT 20 - 120 M A
C ONNECTION M ETHOD T ERMINAL B LOCK
F USE ¼ A MP 250V 3AG F AST B LOW
Environmental
W EATHERPROOF E NCLOSURE NEMA 3R
T EMPERATURE -40 O
TO +60 O C (-40 O
TO +140 O F)
H UMIDITY 0 TO 95% RH
D USTPROOF F ULLY G ASKETTED E NCLOSURE AND M EMBRANE K EYPAD