Raisecom
RC3000-15 (P100R001) Hardware Description
9 Asynchronous data cards
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
118
HDB26 figure
HDB26 PIN
PIN definition
Cable
Description
6
TXD_3
No.3 way of data
16
RXD_3
24
GND3
No.3 way of grounding
7
TXD_2
No.2 way of data
17
RXD_2
25
GND2
No.2 way of grounding
8
TXD_1
No.1 way of data
18
RXD_1
26
GND1
No.1 way of grounding
9
NC
Idle
10
NC
Idle
As described in PIN definitions, TXD indicates sending data and RXD indicates
receiving data, and both of them are for the local device.
9.1.5 LEDs
Table 9-4 lists LEDs on the 16RS232 card.
Table 9-4
LEDs on the 16RS232 card
LED
Color
Description
PWR
Green
Power LED
Green: the power supply is normal.
Off: the power supply is abnormal.
SYS
Green
System status LED
Blinking green: the system is working properly.
Off: the system is working improperly.
TX1–TX16
Green
Sending data LED
Blinking green: the corresponding channel is sending
data. The blinking frequency is related to the volume of
data being sent.
Off: the corresponding channel is not sending data.