Installation manual
PS10270JENAA01 20/10/2004 171
Description of the switches
Switches SW1, SW2, SW3, and SW4 are used to set V10 or V28 mode.
Description of lights
List of circuits for the V24 junction on the CA1 card
DTE (Data terminal equipment):
Note: Circuit 107 “Data set ready” (DSR) is not present on the CA1 card. The straps are not
shown in this table.
Equipment 
number
Connector Switch V10 mode V28 mode
0J2SW1
1J3SW2
2J4SW3
3J5SW4
NAME Color Status Function
CR1 Red On steady incorrect operation
CR2 Red Rapid blink card in service
Circuit 
number
Identification ETTD
Direction
Transmission
Description of the CA1 card connector
 CCITT  EIA 9 pins
25 
pins
104 RD RD 2 3 ---> A1 Received data 
103 ED ST/TD 3 2 <--- A2 Transmitted data 
109 DS/DP CD 1-6 6-8 ---> A3 Data terminal input 
105 DPE RTS 7 4 <--- A4 flow control output 
102 TS GND 5 7 <--- A5 0 V return for junction output
B1 not wired 
B2 not wired 
106 PAE CTS 8 5 ---> B3 flow control input
108 TDP DTR 4 20 <--- B4 data terminal ready output
57 B5 0V return for V10 junction input
321
321
321
321
321
321
321
321










