Raisecom RC3000-15 Hardware Description page 130

Raisecom
RC3000-15 (P100R001) Hardware Description
Effective transmission
bandwidth
Gain frequency features
Frequency distortion
Total distortion (1020
Hz)
Gain change according
to level
Degree of unbalance
about earth
Idle channel noise
Feed voltage (on-hook)
Parameter
Feed current
Ringing voltage
Return loss
Interface PINs
Figure 8-6 shows PINs of the RJ45 interface on the Audio card. Table 8-41 lists PIN
definitions of the RJ45 interface on the Audio card.
Parameter
Off-hook loopback impedance is 600+200//0.1.
300–3400 Hz/600 Ω
The Rx (A/D) gain ranges from -10 to 16 dB, and is 0 dB by
default. Its step is 0.1 dB.
The Tx (D/A) gain ranges from -13 to 10 dB, and is -3.5 dB by
default. Its step is 0.1 dB.
300–3000 Hz; < 0.5 dB
3000–3400 Hz; < 3.0 dB
0 to -30 dBm0; < 33 dB
-30 to -40 dBm0; < (33–22) dB
-40 to -45 dBm0; < 22 dB
+3 to -40 dBm0; ∆ < 0.5 dB
-40 to -50 dBm0; ∆ < 1.0 dB
-50 to -55 dBm0; ∆ < 3.0 dB
300–600 Hz: > 40 dB
600–2400 Hz: > 46 dB
2400–3400 Hz: > 41 dB
< -67 dBm0p
Typical -48 V
Description
Typical 20 mA
Typical 60 V/30 Hz
300–600 Hz: > 12 dB
600–3400 Hz: > 30 dB
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Description
8 Voice cards
105