Citel 6000 Guía Del Usuario
PBXgateway
™
& EXTender
TM
6000 System Administrator’s Guide
37
Wiring Information
Wiring Info
Figure 8 through 10, lists each pin within the DB-25 connector with the signal
description and signal/voltage source, using the Electronics Industry Association (EIA)
standard.
description and signal/voltage source, using the Electronics Industry Association (EIA)
standard.
RS-232 (DB-25) Serial Connector Pinouts
1 Shield
Shield Designations
Signal/Voltage Source
2 (TD) Transmitted Data
Common
3 (RD) Received Data
DTE
DCE
4 (RTS) Request to Send
5 (CTS) Clear to Send
6 (DSR) DCE Ready
7 Signal Ground
8 (DCD) Rcvd Line Signal Detect
9 (+) DC Test Voltage
10 (-) DC Test Voltage
11 Unassigned
12 (SCF/Cl) Secondary Rcvd Line
13 Secondary Clear to Send
DTE
DCE
DCE
Common
DCE
Common
Common
- -
DCE
DCE
Shield Designations
Signal/Voltage Source
DTE
DCE
DCE
DCE
DTE
DTE
DTE
RL-DE SQ-DCE
DCE
CH-DTE Cl-DCE
DTE
DCE
Secondary Tx Data 14
Tx Clock 15
SecondaryReceived Data 16
Receiver Clock 17
Local Loopback 18
Request to Send (Return) 19
Data Terminal Ready 20
Remote Loopback 21
Ring Indicator 22
Data Signal Rate Selector 23
Tx Clock 24
Test Mode 25
Figure 9: RS-232 Cable Pinouts
V.35 (DB-25) Serial Connector Pinouts
13
Shield Designations
Signal/Voltage Source
12 Transmit Clock (b)
-
11 External Transmit Clock (b)
DCE
DTE
10
9 Receive Clock (b)
8 Carrier Detect
7 Signal Ground
6 Data Sent Ready
5 Clear to Send
4 Request to Send
3 Receive Data (a)
2 Transmit Data (a)
1 Frame Ground
-
DCE
DCE
-
DCE
DCE
DTE
DCE
DTE
-
Shield Designations
Signal/Voltage Source
DCE
DTE
-
-
DTE
DTE
-
DTE
DCE
DCE
DCE
DTE
Test Mode 25
External Transmit Clock (a) 24
23
22
Remote Loopback 21
Data Terminal Ready 20
19
Local Loopback 18
Receive Clock (a) 17
Receive Data (b) 16
Transmit Clock (a) 15
Transmit Data (b)14
Figure 10: V.35 Cable Pinouts