Page 2 - Table of Contents; A p p e n d i c e s; List of Figures
Table of Contents 1 . I n t r o d u c t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1 2 . Unit De s c r i p t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1 2 . 1 . Front Panel In di ca tors . . ...
Page 3 - Introduction; A p p l i c a t i o n s; C O U R I E R F O N T
1. Introduction T h e C A S - 8 1 C o d e A c t i v a t e d S w i t c h b r i n g s t h e c o n v e n i e n c e o f c o d e - b a s e d R S 2 3 2 s w i t c h i n g t os i t e s w i t h m u l t i p l e t e r m i n a l s , p r i n t e r s , a n d p e r i p h e r a l s . T h e C A S - 8 1 e n a b l e s...
Page 4 - Unit Description; I n d i c a t e s p o w e r t o t h e u n i t i s O N .
2. Unit Description 2.1. Front Panel Indicators À O N : I n d i c a t e s p o w e r t o t h e u n i t i s O N . Á RDY: I n d i c a t e s u n i t i s R e a d y t o o p e r a t e . A s t e a d y b l i n k i n d i c a t e s t h a t t h e C A S - 8 1 i s operating normally. Â T X D : Indicates that data...
Page 5 - D e f a u l t S w i t c h :; S t a n d a r d A C p o w e r c o r d r e c e p t a c l e a n d O N / O F F s w i t c h .
2.2. Back Panel À S e r i a l P o r t s 1 - 8 : E i g h t R S 2 3 2 D B 9 m a l e c o n n e c t o r s c o n f i g u r e d a s D T E . A c c e p t s a standard AT 9 pin to printer or modem cable, depending on the application. Refer toA p p e n d i x A f o r m o r e i n f o r m a t i o n o n t h e S e...
Page 6 - Installation
3. Installation 3.1. Set DIP Switches The DIP Switches located on the CAS-81 back panel are used to set the Data Rate, TimeoutSelection, Quiet Mode, Broadcast Mode, and other features. Note that a label on the undersideo f t h e C A S - 8 1 u n i t a l s o d e s c r i b e s D I P S w i t c h s e t t...
Page 7 - A f t e r a C o d e s e q u e n c e d i s c o n n e c t .; W h e n e n a b l e d , f o r c e s t h e C o n t r o l P o r t C T S p i n t o h i g h .; W h e n e n a b l e d , f o r c e s t h e C o n t r o l P o r t D C D p i n t o h i g h .
3.1.4. Auto Connect Serial Port 1 (Switch 7) W h e n e n a b l e d , a u t o m a t i c a l l y c o n n e c t s t h e C o n t r o l P o r t t o S e r i a l P o r t 1 o n t h e f o l l o w i n gconditions: 1. Power Up 2. After a Timeout disconnect, if selected. 3. A f t e r a C o d e s e q u e n c e d...
Page 9 - Operation; D i s c o n n e c t s
4. Operation 4.1. Power Up T h e O N L E D i n d i c a t e s t h a t A C P o w e r h a s b e e n t u r n e d o n . T h e R D Y L E D i n d i c a t e s t h a t t h ep r o c e s s o r i s o p e r a t i n g a n d t h e u n i t i s R E A D Y t o o p e r a t e . A f l i c k e r i n g R D Y L E D i n d i ...
Page 10 - n o t
4.4. Command Response U p o n r e c e i v i n g a v a l i d c o m m a n d s t r i n g , t h e C A S - 8 1 w i l l s e n d a n a c k n o w l e d g m e n t m e s s a g e o u t t h e C o n t r o l P o r t . T h e m e s s a g e i s s e n t a s 8 b i t s / n o p a r i t y . A c k n o w l e d g m e n t m ...
Page 11 - A. Description of System Interfaces
A. Description of System Interfaces A.1. Control Port (DB25 Female) T h e C o n t r o l P o r t i s a 2 5 p i n f e m a l e c o n n e c t o r w i r e d i n a D C E ( m o d e m ) c o n f i g u r a t i o n . Pin Signal I / O N o t C o n n e c t e d C o n n e c t e d 2 R X D I n p u t - T o S e r i a l...
Page 12 - N o t e : H a n d s h a k e s i g n a l s a r e n o t p a s s e d . A l l o t h e r p i n s a r e o p e n .
A.2. Serial Ports 1 through 8 (DB9 Male) The Serial Ports are 9 pin male, wired in a DTE configuration similar to that of an A computer.F i g u r e A . 1 a n d t h e t a b l e b e l o w d e s c r i b e t h e S e r i a l P o r t i n t e r f a c e . Pin Signal I / O N o t C o n n e c t e d C o n n e c...
Page 14 - Trademark and Copyright Information
D. Customer Service C u s t o m e r S e r v i c e h o u r s a r e 8 : 0 0 A M t o 5 : 0 0 P M , P a c i f i c T i m e , M o n d a y t h r o u g h F r i d a y . W h e n calling, please be prepared to give the name and make of the unit, its serial number, and ad e s c r i p t i o n o f i t s s y m p t...