SECTION 10
SERIAL REMOTE INTERFACE
111
10.7 PHYSICAL CONNECTIONS
Connection to the UPC Serial interface is made via a DB-25 connector on the rear panel of the UPC SCU
or POWER SOURCE. This connector replaces the GPIB (IEEE-488) connector.
UPC Pinouts:
(For connection to IBM-PC type DB-25)
PIN 1
CHASSIS GROUND
PIN 2
TxD
TRANSMIT DATA
(from HOST to UPC)
PIN 3
RxD
RECEIVE DATA
(from UPC to HOST)
* PIN 4
RTS
Request to Send
(from HOST to UPC)
* PIN 5
CTS
Clear to Send
(from UPC to HOST)
PIN 6
DSR
Data Set Ready
(from UPC to HOST)
PIN 7
SIGNAL GROUND
PIN 8
DCD
Data Carrier Detect
(from UPC to HOST)
PIN 20
DTR
Data Terminal Ready
(from HOST to UPC)
Pinouts for IBM-PC DB-9 are listed below for reference.
PIN 1
DCD
Data Carrier Detect
(from UPC to HOST)
PIN 2
RxD
RECEIVE DATA
(from UPC to HOST)
PIN 3
TxD
TRANSMIT DATA
(from HOST to UPC)
* PIN 4
DTR
Data Terminal Ready
(from HOST to UPC)
* PIN 5
SIGNAL GROUND
PIN 6
DSR
Data Set Ready
(from UPC to HOST)
PIN 7
RTS
Request to Send
(from HOST to UPC)
PIN 8
CTS
Clear to Send
(from UPC to HOST)
PIN 9
NOT USED
All other pins are reserved for future use.
*PINS are used for HANDSHAKING (
