Allied Telesis AR Series Hardware Reference Manual page 78

78
Figure 37: Pin wiring diagram for a V.35 DCE transition cable to an AMPLIMITE 50-way connector.
D50 SCSI-2 Male
(to router)
Connect to backshell
←
→
→
←
←
→
→
→
Pin 1
Pin 26
D50 SCSI-2 Male — Pin View
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.
Cable Shield
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 25
Ferrite
Pin 50
M34 Female
(to DTE)
Insulating
Sheath
A Shield
B SIG G
R RDA
T RDB
Y TCA
AA TCB
P SDA
S SDB
V RCA
X RCB
C RTS
H DTR
D CTS
E DSR
F DCD
Pin KK
Pin MM
Cable
Pin LL
Pin NN
M34 Female — Pin View
AR Router
(104)
(114)
(103)
(115)
(105)
(108)
(106)
(107)
(109)
Pin C
Pin A
Pin D
Pin B
A50V35C
C613-03031-01 REV E