Specifications

Appendix A
40
When the E1/DATA is ordered with a RS-530 interface, the unit comes with a HDB26 male to DB25 Female
adapter cable, 1 meter long. The pin assignment follows the table below.
Abbreviation HDB26
PIN#
DB25
PIN#
RS-530
Circuit
FG 1
↔
1 Frame
SG 7
↔
7 AB
TD(A)
TD(B)
2
11
↔
↔
2
14
BA(A)
BA(B)
RD(A)
RD(B)
3
21
↔
↔
3
16
BB(A)
BB(B)
RTS(A)
RTS(B)
4
13
↔
↔
4
19
CA(A)
CA(B)
CTS(A)
CTS(B)
5
14
↔
↔
5
13
CB(A)
CB(B)
DSR(A)
DSR(B)
6
22
↔
↔
6
22
CC(A)
CC(B)
DTR(A)
DTR(B)
20
12
↔
↔
20
23
CD(A)
CD(B)
DCD(A)
DCD(B)
8
26
↔
↔
8
10
CF(A)
CF(B)
ETC(A)
ETC(B)
24
16
↔
↔
24
11
DA(A)
DA(B)
TC(A)
TC(B)
15
23
↔
↔
15
12
DB(A)
DB(B)
RC(A)
RC(B)
17
25
↔
↔
17
9
DD(A)
DD(B)
RLB 9
↔
21 RL
LLB 18
↔
18 LL
TM 10
↔
25 TM
Table 2-4 DATA RS-530 cable