Serial Port Connectors Pin Out Assignment - Polycom DOC2237A Hardware Installation Manual

Appendix A: Interfaces Pin Assignment
SOURCE
Return
DCE
Return
DCE
DTE
Return
DTE
DTE
Return
Return
DTE
DCE
SOURCE
Common
-
Return
Return
Return
Return
Return
Return
DTE
Return
Return
Return
DTE
DCE
DTE
Return
DCE
Common
A-4

Serial Port Connectors Pin out Assignment

SIGNAL
DESIGNATION
Transmitted Data (B)
Transmit Signal Element (A)
Received Data (B)
Receiver Signal Element Timing (A)
Local Loopback
Request to Send (B)
DTE Ready (A)
Remote Loopback
DCE Ready (B)
DTE Ready (B)
Ext. Transmit Element Timing (A)
Test Mode
Figure A-4: RS-530 Pin out (DB-25)
SIGNAL
DESIGNATION
Receive Common
KG Resync (B)
Send Data (B)
Send Timing (B)
Receive Data (B)
Request to Send (B)
Receive Timing (B)
Clear to Send (B)
Terminal in Service
Data Mode (B)
Terminal Ready (B)
Receiver Ready (B)
Select Standby
Signal Quality
New Signal
Terminal Timing (B)
Standby Indicator
Send Common
Figure A-5: RS-449 Pin out (DB-37)
PIN
PIN
NO.
NO.
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
PIN
PIN
NO.
NO.
1
20
2
21
3
22
4
23
5
24
6
25
7
26
8
27
9
28
10
29
11
30
12
31
13
32
14
33
15
34
16
35
17
36
18
37
19
SIGNAL
DESIGNATION
Shield
Transmitted Data (A)
Received Data (A)
Request to Send (A)
Clear to Send (A)
DCE Ready (A)
Signal Ground
Received Line Signal Detector (A)
Receiver Signal Element Timing (B)
Received Line Signal Detector (B)
Ext. Transmit Signal Element Timing (B)
Transmit Signal Element Timing (B)
Clear to Send (B)
SIGNAL
DESIGNATION
Shield
Signal Rate Indicator
KG Resync (A)
Send Data (A)
Send Timing (A)
Receive Data (A)
Request to Send (A)
Receive Timing (A)
Clear to Send (A)
Local Loopback
Data Mode (A)
Terminal Ready (A)
Receiver Ready (A)
Remote Loopback
Incoming Call
Select Frequency
Terminal Timing (A)
Test Mode
Signal Ground
SOURCE
Common
DTE
DCE
DTE
DCE
DCE
Common
DCE
Return
Return
Return
Return
Return
SOURCE
Common
DCE
-
DTE
DCE
DCE
DTE
DCE
DCE
DTE
DCE
DTE
DCE
DTE
DCE
DTE
DTE
DCE
Common