FlexDSL Orion3 - Nx64 and RS-232;RS-485 Interfaces

FlexDSL Telecommunications AG
Steinackerstrassse 31
8902 Urdorf
Switzerland
Page 5/9
Tel: +41 44 741 52 90
Fax: +41 44 741 52 93
Email: info@flexdsl.ch
Web: www.flexdsl.ch
Nx64 Interface
DB-26H Connector Specification
Specification
V.35/V.36/X.21/V.28
Pin No
V.35/36/28
X.21
Data Rate
1..128x64kbps (synchronous) for V.35/V.36/X.21
1
Mode Sel 2
1..3x64kbps (synchronous) for V.28
2
Mode Sel 1
Connector Type
DB26 high density female
3
Mode Sel 0
Cable Connector Type
V.35 ISO2593 (34 Pin MRAC)
4
DTE/DCE
V.36 ISO4902 (37 Pin Dsub)
5
LLoopback
X.21 ISO4903 (15 Pin Dsub)
6
TXD(A)
Ta
ESD Protection
8kV (Air discharge)
14
TXD(B)
Tb
19
RXD(A)
Ra
10
RXD(B)
Rb
24
RTS(A)
Ca
15
RTS(B)
Cb
26
CTS(A)
Ia
17
CTS(B)
Ib
18
DSR(A)
9
DSR(B)
16
DTR(A)
25
DTR(B)
8
DCD(A)
7
DCD(B)
22
TTC(A)
Xa
13
TTC(B)
Xb
21
TXC(A)
12
TXC(B)
20
RXC(A)
Sa
11
RXC(B)
Sb
23
SGND (Ground)
4x RS-232(V24) Interface
DB-26H Connector Specification
Specification
RS-232/485
Pin No
4x RS-232
Data Rate
1200..256000 bps (asynchronous)
1
TXD-1
Format RS-232/RS-485
Bits: 5… 8
2
RTS-1
Stop bits: 1/1.5/2
3
TXD-2
Parity: odd/even/odd/mark/space
4
RTS-2
Connector Type
DB26 high density female
6
RXD-1
ESD Protection
8kV (Air discharge)
7
CTS-1
8
RXD-2
9
CTS-2
11
PGND (Protection Ground)
12
PGND (Protection Ground)
13
PGND (Protection Ground)
14
SGND (Ground)
15
CC (Cable Connected)
19
TXD-3
20
RTS-3
21
TXD-4
22
RTS-4
23
RXD-3
24
CTS-3
25
RXD-4
26
CTS-4
27
PGND (Protection Ground)
28
PGND (Protection Ground)