Raisecom iTN2100 User Manual

Raisecom
iTN2100 (P100R002) Hardware Description
19 Multi-service cards
Raisecom Technology Co., Ltd.
206
19.1.3 Interfaces
Interface types
There are 12 interfaces on the OPCOM3500E-12MT panel, as listed in Table 19-1.
Table 19-1 Interfaces on the OPCOM3500E-12MT panel
Interface
Type
Description
1–12
HDB26 female connector
Access 12-way magnetic telephone interfaces.
Interface parameters
Table 19-2 lists parameters of interfaces 1–12 on the OPCOM3500E-12MT.
Table 19-2 Parameters of interfaces 1–12 on the OPCOM3500E-12MT panel
Parameter
Description
Coding mode
A-law
Bit rate
64 Kbit/s
Impedance auto-switching of input
interface

Ring: 100 KΩ

Other cases: 600 Ω
Valid transmission bandwidth
300 Hz–3400 Hz
Gain frequency feature

RX (A/D) gain range: -10 dB to +16 dB

Default value: 0 dB

Step value: 0.1 dB

RX (D/A) gain range: -17 dB to +8 dB

Default value: -3.5 dB

Step value: 0.1 dB
Frequency distortion
< 0.5 dB (300 Hz–3000 Hz)
< 3.0 dB (3000 Hz–3400 Hz)
Total distortion (1020 Hz)
< 33 dB (0d Bm0 to -30 dBm0)
< (33–22) dB (-30 dBm0 to -40 dBm0)
< 22 dB (-40 dBm0 to -45 dBm0)
Variation of gain with input level
Δ< 0.5 dB (+3 dBm0 to -40 dBm0)
Δ< 1.0 dB (-40 dBm0 to -50 dBm0)
Δ< 3.0 dB (-50 dBm0 to -55 dBm0)
Degree of unbalance about earth
> 40 dB (300 Hz–600 Hz)
> 46 dB (600 Hz–2400 Hz)
> 41 dB (2400 Hz–3400 Hz)

Raisecom iTN2100 Specifications

General

Brand	Raisecom
Model	iTN2100
Category	Network Hardware
Language	English