Computer Systems
 | 1000, L/A Series Selection: |
| Name: 12005 Serial Interface | |
| Product Number: 12005 | |
| Introduced: 1980 | |
| Division: Roseville Networks | |
| Original Price: $1098 | |
| Catalog Reference: Does not appear |
Description:
RS-232 interface for A-Series computers.
The most common cable available for these interfaces is the 12005-60004, for connection to a modem. These cables can be modified to use for a direct connection to a terminal. The 12005-60004 cable consists of a standard male DB25 connector at the terminal/modem end and a 48-pin edge connector at the computer end. When looking at the edge connector of the cable with cable pointing down, the pins along the left side are 1 through 24 from top to bottom. The pins along the right side, from top to bottom, are A,B,C,D,E,F,H,J,K,L,M,N,P,R,S,T,U,V,W,X,Y,Z,AA,BB.
The pin out connections from DB25 to Edge connector are:
2-S
3-W
4-E
5-X
6-Z
7-F,17,18,U,V,Y,AA,BB,24
8-V
14-23
16-15
20-M
22-B
The easiest way to modify the standard cable to work with a direct-connect terminal is to swap S and W at the edge connector end (or 2 and 3 at the DB25 end).
Collector's notes:
To use your 12005 board as the interface for your console, set the dips on switch U21 to 0000CCCC (for 9600 baud, O = Open, C = Closed). Set the dips on switch U1 to CCCOCCCC. Make sure that no other interface card in your system has dip 1 set to C (otherwise you will have a VCP conflict). Configure your terminal to the following settings:
Baud: 9600, Parity: none/8, Enq/Ack: YES
Asterisk: OFF, ChkParity: No, SR(CH): LO
RecvPace: Xon/Xoff, XmitPace: None, CS(CB)Xmit: NO .
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