ATL Telecom AM64/512 User Manual
Page 32
5. X.21 bis V.36 bit tim ing ca ble - (37 way to 37 way D type plugs).
CCITT cir cuit
Tim ing Source (DCE)
Tim ing Sink
(DTE)
CCITT cir cuit
103-A
4
6
104-A
103-B
22
24
104-B
104-A
6
4
103-A
104-B
24
22
103-B
105-A
7
13
109-A
105-B
25
31
109-B
109-A
13
7
105-A
109-B
31
25
105-B
115-A
8
17
113-A
115-B
26
35
113-B
102-A
19
19
102-A
102-B
20
20
102-B
* In some cases it may be nec es sary to con nect this line to GND (102) at the re ceiver end of the link
de pend ant upon the im ple men ta tion of the in ter face con trol lines - bal anced or un bal anced.
6. RS530 bit tim ing ca ble (25 way to 25 way D type plugs).
CCITT cir cuit
Tim ing Source (DCE)
Tim ing Sink (DTE)
CCITT cir cuit
103-A
2
3
104-A
103-B
14
16
104-B
104-A
3
2
103-A
104-B
16
14
103-B
105-A
4
8
109-A
105-B
19*
10*
109-B
109-A
8
4
105-A
109-B
10*
19*
105-B
115-A
17
24
113-A
115-B
9
11
113-B
102
7
7
102
* In some cases it may be nec es sary to con nect this line to GND (102) at the re ceiver end of the link
de pend ant upon the im ple men ta tion of the in ter face con trol lines - bal anced or un bal anced.
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