
8 I
NSTALLATION
Table 2-1 DSU MP 6-Port Cable Pinout
1A/4A 2A/5A 3A/6A 1B/4B 2B/5B 3B/6B
Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal
1 Chassis Gnd 1 Chassis Gnd 1 Chassis Gnd 1 Chassis Gnd 1 Chassis Gnd 1 Chassis Gnd
2 TxD(A) 2 TxD(A) 2 TxD(A) 2 TxD 2 TxD 2 TxD
3 RXD(A) 3 RXD(A) 3 RXD(A) 3 RXD 3 RXD 3 RXD
4 RTS(A) 4 RTS(A) 4 RTS(A) 4 RTS 4 RTS 4 RTS
5 CTS(A) 5 CTS(A) 5 CTS(A) 5 CTS 5 CTS 5 CTS
6 DSR(A) 6 DSR(A) 6 DSR(A) 6 DSR 6 DSR 6 DSR
7 Circuit Gnd 7 Circuit Gnd 7 Circuit Gnd 7 Circuit Gnd 7 Circuit Gnd 7 Circuit Gnd
8 RLSD(A)
DCD
8RLSD(A)
DCD
8RLSD(A)
DCD
8 DCD 8 DCD 8 DCD
9 RXC(B) 9 RXC(B) 9 RXC(B) 9 9 9
10 RSLD(B) 10 RSLD(B) 10 RSLD(B) 10 10 10
11 TXC
(B-DTE)
11 TXC
(B-DTE)
11 TXC
(B-DTE)
11 11 11
12 TXCC
(B-DCE)
12 TXCC
(B-DCE)
12 TXCC
(B-DCE)
12 12 12
13 CTS(B) 13 CTS(B) 13 CTS(B) 13 13 13
14 TxD(B) 14 TxD(B) 14 TxD(B) 14 14 14
15 TXCC
(A-DCE)
(TXC)
15 TXCC
(A-DCE)
(TXC)
15 TXCC
(A-DCE)
(TXC)
15 TXC 15 TXC 15 TXC
16 RXD(B) 16 RXD(B) 16 RXD(B) 16 16 16
17 RXC(A) 17 RXC(A) 17 RXC(A) 17 17 17
18 LL 18 LL 18 LL 18 LL 18 LL 18 LL
19 RST(B) 19 RST(B) 19 RST(B) 19 19 19
20 DTR(A) 20 DTR(A) 20 DTR(A) 20 DTR 20 DTR 20 DTR
21 RL 21 RL 21 RL 21 RL 21 RL 21 RL
22 DSR(B) 22 DSR(B) 22 DSR(B) 22 22 22
23 DTR(B) 23 DTR(B) 23 DTR(B) 23 23 23
24 TXC
(A-DTE)
(EXC)
24 TXC
(A-DTE)
(EXC)
24 TXC
(A-DTE)
(EXC)
24 EXC 24 EXC 24 EXC
25 TM 25 TM 25 TM 25 TM 25 TM 25 TM
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