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Raisecom
iTN2100 (P100R002) Hardware Description
19 Multi-service cards
Raisecom Technology Co., Ltd.
213
Parameter
Description
Degree of unbalance about
earth
> 40 dB (300 Hz–600 Hz)
> 46 dB (600 Hz–2400 Hz)
> 41 dB (2400 Hz–3400 Hz)
Idle-channel noise
< -67 dBm0
Feeding voltage (on-hook)
Typical -48 V
Feeding current
Typical 20 mA
Ring current voltage
Typical 60 V/30 Hz
Return loss
> 12 dB (300 Hz–600 Hz)
> 15 dB (600 Hz–3400 Hz)
Table 19-10 lists parameters of V.24 interfaces on the OPCOM3500E-MULTI.
Table 19-10
Parameters of V.24 interfaces on the OPCOM3500E-MULTI
Parameter
Description
Interface mode
DCE mode
Connector type
HDB26 female connector
Interface speed
The sampling frequency can be set to 64 KHz and 128 KHz.
64 KHz sampling frequency: 9.6 Kbit/s (maximum)
128 KHz sampling frequency: 19.2 Kbit/s (maximum)
Features
Comply with ITU-T V.24 recommendations.
Electrical feature
Comply with V.28 recommendations.
Transmission distance
15 m (standard recommendation for the serial port)
Table 19-11 lists parameters of RS485 interfaces on the OPCOM3500E-MULTI.
Table 19-11
Parameters of RS485 interfaces on the OPCOM3500E-MULTI
Parameter
Description
Connector type
RJ45
Sampling frequency
64 KHz/128 KHz
Interface speed
64 KHz sampling frequency: 9.6 Kbit/s (maximum)
128 KHz sampling frequency: 19.2 Kbit/s (maximum)
Compliance standard
Interface standards defined by RS485 AND RS422 protocols