Raisecom
RC3000-15 (P100R001) Hardware Description
11 Multi-service card
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
169
HDB26
figure
HDB26
PIN
Definition
Name
Description
14
T/RB_3
No. 3 way
Audio TX B in 4-wire mode
Audio TX/RX B in 2-wire mode
5
R_A2
No. 2 way
Audio RX A in 4-wire mode
Idle in 2-wire mode
15
R_B2
No. 2 way
Audio RX B in 4-wire mode
Idle in 2-wire mode
6
T/RA_2
No. 2 way
Audio TX A in 4-wire mode
Audio TX/RX A in 2-wire mode
16
T/RB_2
No. 2 way
Audio TX B in 4-wire mode
Audio TX/RX B in 2-wire mode
7
R_A1
No. 1 way
Audio RX A in 4-wire mode
Idle in 2-wire mode
17
R_B1
No. 1 way
Audio RX B in 4-wire mode
Idle in 2-wire mode
8
T/RA_1
No. 1 way
Audio TX A in 4-wire mode
Audio TX/RX A in 2-wire mode
18
T/RB_1
No. 1 way
Audio TX B in 4-wire mode
Audio TX/RX B in 2-wire mode
19
E4
No. 4 way E signaling cable
20
M4
No. 4 way M signaling cable
21
E3
No. 3 way E signaling cable
22
M3
No. 3 way M signaling cable
23
E2
No. 2 way E signaling cable
24
M2
No. 2 way M signaling cable
25
E1
No. 1 way E signaling cable
26
M1
No. 1 way M signaling cable
9
NC
Idle
10
NC
Idle