FOR-A HVS-490 - Interface Connectors

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3-4. Interfaces
3-4-1. RS-422
 Connector Pin Assignment Table
Pin No.
Signal Name
In/Out
Description
1
FG
Frame ground
2
R-
In
Receive data (-)
3
T+
Out
Transmit data (+)
4
SG
Signal ground
5
NC
Not used
6
SG
Signal ground
7
R+
In
Receive data (+)
8
T-
Out
Transmit data (-)
9
FG
Frame ground
RS-422 ports are used for external device connections. See the associated chapters to
configure connections.
Router: See Sec. 25-3. “Router Control.”
Editor: See Sec. 25-6. “Editor Control”.
VTR: See Sec. 25-7. “VTR Control”.
VDCP: See Sec. 25-8. “VDCP Operation”.
3-4-2. GPI IN/ALARM
 Connector Pin Assignment Table
Pin No.
Description
1
M/E1 BKGD AUTO TRANS (default setting)
2
M/E1 KEY1 AUTO TRANS (default setting)
3
M/E1 KEY2 AUTO TRANS (default setting)
4
M/E1 KEY3 AUTO TRANS (default setting)
5
M/E1 KEY4 AUTO TRANS (default setting)
6
M/E2 BKGD AUTO TRANS (default setting)
7
M/E2 KEY1 AUTO TRANS (default setting)
8
M/E2 KEY2 AUTO TRANS (default setting)
9
M/E2 KEY3 AUTO TRANS (default setting)
10
M/E2 KEY4 AUTO TRANS (default setting)
11
Signal ground
12
FAN ALARM output
13
FAN ALARM output (Common)
14-22
Not used (default setting)
23
Signal ground
24
POWER ALARM output
25
POWER ALARM output (Common)
The pin functions are freely assignable. (See Sec. 25-1-1. “GPI IN.”)
* Maximum rating current for each pin is 0.5 A.
9-pin D-sub (female)
with inch screws
25-pin D-sub (female)
with inch screws