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User Manual
11
3.2.14 Sub-card of 64K of co-direction data interface (RC3000-SUB-D485)
¾
Physical Properties: in line with ITU-T G.703, G.823 recommendation
¾
Interface Type: RJ45 connector
¾
Interface impedance: 120
Ω
(balanced)
¾
Symbol Rate: 256K baud
¾
Frame Format: Non-Framing
¾
Line Coding: co-directional encoding
¾
Working way: DCE
¾
Transmission: maximum transmission distance of non-shielded CAT-5cable is 300 meters
3.3 Power supply
¾
Input voltage:
DC -48V, tolerance range -36V~ -72V
AC
220V,
tolerance
range
100~240V
¾
Module power: general
≤
20W, maximum
≤
40W
3.4 Ambiance
¾
Temperature:0 ~ 50
℃
¾
Relative humidity:
≤
90%
(
25
℃
no condensing
)
3.5 Dimension of chassis
440mm x 44.5mm x 275mm