Rocom MD PBX KEY CW AV, Руководство пользователя

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User guide MD PBX KEY CW Issue 1.00
Page 20
Technical data
Power supply from telephone line
Telephone line voltage min. 24 Vdc, max. 60 Vdc
Voltage insertion drop on T/R 10 V +/- 5% at 25 mA
Current consumption off hook: min. 18 mA
stand-by: 2 µA
Telephone line impedance 600 Ohm
Dial mode rotary dial, DTMF programmable
Rotary dial impulse frequency: 10 Hz
dial pause: 820 ms
impulse duration: 60 ms
impulse pause: 40 ms
open line resistance: > 300 KOhm
DTMF dial standard DTMF
Tone duration: 70 ms
Tone pause: 70 ms
Tone recognition detectable tone frequency: 390 to 480 Hz
detectable ringback tone: tone duration from 770 to
1100 ms. Release after 7/8
tones
detectable long busy tone: tone duration from 170 to
550 ms. Release after 5/6
tones
detectable short busy tone: tone duration from 70 to
150 ms. Release after 10/11
tones
Dooropener Contact 1: DTMF digit "7"
Contact 2: DTMF digit "8" (optional)
Min. detectable DTMF tone duration: 45 to 50 ms
Max. contact load: 40 Vpp, 2 A
Closure duration: 1 to 99 seconds programmable
Time out 2, 4 or 8 minutes selectable
Enviromental themperature -5° to 45° C
EMC EN 60555-2
EN 55022
EN 50082-1
Security EN 60950
Dimensions MD PBX KEY MD Frontplate: 124 x 304 x 19
Installation box: 124 x 304 x 55
Wall mounting case: 151 x 323 x 80
MD PBX KEY AV Frontplate: 180 x 293 x 4
Installation box: 155 x 282 x 55
Wall mounting case: 182 x 303 x 98
MD PBX KEY ES Frontplate: 123 x 307 x 14
Installation box: 115 x 299 x 45
Wall mounting case: 142 x 324 x 90
MD PBX KEY BG Electronic board: 85 x 150 x 35
Loudspeaker holder: 75 x 75 x 28