ATL Telecom AM64/512 - Manual (Page 23)

25 Way D-type RS-530 Con nec tor pin al lo ca tion
Pin Type SITS
Unbal A Wire B wire Cir cuit De scrip tion 89/43
1 Earth/Shield Com mon
7, 22, 10, 13 102(AB) Com mon Re turn Com mon
2 14 103(BA) Trans mitted Data Load
3 16 104(BB) Re ceived Data Gen er a tor
4 19 105*(CA) Re quest to Send Load
5 (5) (13) 106*(CB) Ready for Sending Gen er a tor
6 (6) (22) 107*(CC) Data Set Ready Gen er a tor
8 (8) (10) 109*(CF) Data Chan nel Re ceived Gen er a tor
24 11 113(DA) Ex ter nal Trans mit ter Sig nal El e ment Tim ing Load
15 12 114(DB) Trans mit ter Sig nal El e ment Tim ing Gen er a tor
17 9 115(DD) Re ceiver Sig nal El e ment Tim ing Gen er a tor
21 140(RL) Re mote Loopback Load
18 141(LL) Lo cal Loopback Load
25 142(TM) Test In di ca tor Gen er a tor
* Stan dards dic tate that the con trol cir cuit 107 may be im ple mented as a bal anced cir cuit (us ing both A
and B wires) or as an un bal anced sin gle ended cir cuit.
To al low interworking be tween bal anced and un bal anced cir cuits, the A wire is to be used and the B wire
is to be joined to GND (cir cuit 102) at the re ceiver end of the cir cuit.
9 Way D-type (64kbps, 120 Ω ) G.703 Codirectional con nec tor pin al lo ca tion
Pin Type SITS
A-wire B-wire De scrip tion 89/43
1 5 G.703 Out Generator
6 9 G.703 In Load
LINE CON NEC TOR
The mo dem co mes packed with an 8 way - 8 loaded Rj45 to Rj45 line cord as stan dard. There is also an RJ45 to
bare ended wires avail able.
The line con nec tions are as fol lows ; Pair 1 - pins 7 and 8
Pair 2 - pins 4 and 5
A-3
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