78
AR Router
C613-03031-01 REV E
Figure 37: Pin wiring diagram for a V.35 DCE transition cable to an AMPLIMITE 50-way connector.
D50 SCSI-2 Male
(to router)
M34 Female
(to DTE)
Cable Shield
Insulating
Sheath
A
Shield
B
SIG G
R
RDA
(104)
T
RDB
Y
TCA
(114)
AA
TCB
P
SDA
(103)
S
SDB
V
RCA
(115)
X
RCB
C
RTS
(105)
H
DTR
(108)
D
CTS
(106)
E
DSR
(107)
F
DCD
(109)
Connect to backshell
1
←
TD
12
37
→
TC
20
45
→
RD
2
27
←
CTS
3
←
DSR
4
→
RTS
14
→
DTR
13
→
RL
15
FGND
46
FSELB
47
FGND
21
FSELC
23
Pin 26
Pin 50
Pin 1
Pin 25
D50 SCSI-2 Male — Pin View
Pin NN
Pin LL
Pin MM
Pin KK
M34 Female — Pin View
Ferrite
Cable
Pin B
Pin D
Pin A
Pin C
Notes:
(1)
→
Output from router;
←
Input to router.
(2) Use shielded cable with twisted pairs. Twisted pairing must be 1-26, 2-27,
3-28, etc.
(3) M34 connector shells must be metallised. Connect braid to connector shells to make a
360° connection.
(4) Standard cable length is 2.05m
±
0.05m.
(5) Ferrite must be fitted to cable no more than 25mm from rear of D50 SCSI-2 backshell.
(6) See accompanying text for information about earth loop conditions.
(7) Cable version 2.0.
A50V35C