Raisecom
RC3000-15 (P100R001) Hardware Description
9 Asynchronous data cards
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Copyright © Raisecom Technology Co., Ltd.
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9.2.2 Version
Card
Version
RC3000-15-8RS232H
A.10
9.2.3 Slots
Chassis version
Slot
E.20 and E.30
1–6 and 9–13
9.2.4 Interfaces
Interface type
Table 9-8 lists interfaces on the 8RS232H card. The maximum length of the cable used for the
RS232 interface is 15 m based on RS232 standard.
Table 9-8
Interfaces on the 8RS232H card
Name
Type
Description
–
HDB26 female interface
Each interface accesses 2 ways of RS232 services.
Interface parameter
Table 9-9 lists parameters of the RS232 interface.
Table 9-9
Parameters of the RS232 interface
Parameter
Description
Connector type
HDB26 female connector
Output voltage
9 V (high level)
-9 V (low level)
Output end short-
circuit current
45 mA (measured in status of continuously outputting high and
low level)
Interface impedance
4.8 kΩ
Collection
frequency/Interface
rate
64 kHz, 128 kHz, and 256 kHz
The corresponding interface bandwidth: 64 kbit/s, 128 kbit/s, and
256 kbit/s