Enterasys Networks CSX5500 사용자 가이드
Central Site Remote Access Switch 65
H
ARDWARE
O
VERVIEW
System Adapters
Pin and Signal Assignments for the V.35 Connection
RS232 A
DAPTER
The RS232 adapter provides four RS232 ports. The card contains two female DB26 connectors. An
RS232 adapter cable converts the DB26 connection to two standard RS232 connections. Using the
RS232 adapter cable, DB26 port # 1 becomes RS232 port # 1A and port # 1B. You can configure each
port pair (1A,1B or 2A,2B) for DTE (external clocking) or DCE (internal clocking), and each port
supports data rates from 2.4 Kbps to 56 Kbps.
RS232 adapter cable converts the DB26 connection to two standard RS232 connections. Using the
RS232 adapter cable, DB26 port # 1 becomes RS232 port # 1A and port # 1B. You can configure each
port pair (1A,1B or 2A,2B) for DTE (external clocking) or DCE (internal clocking), and each port
supports data rates from 2.4 Kbps to 56 Kbps.
The RS232 supports network side connections, providing dedicated connections to other systems.
The adapter can take advantage of slower speed analog lines by using standard synchronous
analog modems. The RS232 also supports private network connections through a T1 multiplexer or
a channel bank.
The adapter can take advantage of slower speed analog lines by using standard synchronous
analog modems. The RS232 also supports private network connections through a T1 multiplexer or
a channel bank.
V.35 Pin
Signal
Function
V.35 Pin
Signal
Function
A
Chass
ChassisGround
V
RXCB
Receive Clock B
B
Gnd
Signal Return
W
NC
No Connect
C
RTS
Request to Send
X
RXCA
Receive Clock
D
CTS
Clear to Send
Y
TXCB
Transmit Clock B
E
DSR
Data Set Ready
Z
NC
No Connect
F
DCD
Data Carrier
Detect
AA
TXCA
Transmit Clock
A
H
DTR
Data Terminal
Ready
BB
NC
No Connect
J
RI
Ring Indicator
CC
NC
No Connect
K
LT
Local Test
DD
NC
No Connect
L
NC
No Connect
EE
NC
No Connect
M
NC
No Connect
FF
NC
No Connect
N
NC
No Connect
HH
NC
No Connect
P
TDB
Transmit Data B
JJ
NC
No Connect
R
RDB
Receive Data B
KK
NC
No Connect
S
TDA
Transmit Data A
LL
NC
No Connect
T
RDA
Receive Data A
MM
NC
No Connect
U
NC
No Connect
NN
NC
No Connect