Masterclock D232 Manual do Utilizador descarregar pdf (Página 19)

Raisecom Technology Co., Ltd

Return loss: 20 db

Maximum voltage of common-mode: 300 V

Common-Mode Rejection Ratio: >55 db

Power supply Rejection Ratio: 30 db

Idle channel noise: 60 db

Note: AD gain and DA gain are adjustable according to user’s requirement

5.2.4. Interface standard of E&M 4 audio relay user-board

(RC3000-SUB-DM4):

AD gain: +14 db

DA gain: +4 db

AD frequency characteristic (300-3400Hz): 0±0.2 db

DA frequency characteristic (300-3400Hz): 0±0.2 db

Output loop impedance: 600Ω

Input loop impedance: 600Ω

Blance: 60 db

Maximum voltage of common-mode: 300 V

Common-Mode Rejection Ratio: >60 db

Power supply Rejection Ratio: 30 db

Idle channel noise: >60 db

Note: AD gain and DA gain are adjustable according to user’s requirement

5.2.5. Standard of V35 data user-board (RC3000-SUB-DV35):

Physical characteristic: Comply with V.35 interface standard

Interface type: HDB26 female connector

Working mode: DCE

Interface rate: N×64Kbps（N=1-31）

5.2.6. Interface standard of V24 data user-board (RC3000-SUB-DV24):

Physical characteristic: Comply with V.24 interface standard

Interface type: HDB26 female connector

Working mode: DCE

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Masterclock D232 Manual do Utilizador Página 19