Specifications

28 Port Interface Card
C613-03023-00 REV P
Figure 15: Pin wiring diagram for a V.35 DCE transition cable
D50 SCSI-2 Male
(to device)
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 device; ← Input to device.
(2) Use shielded cable with twisted pairs, e.g. UL2919 28AWG. 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 31mm ± 3mm from rear of D50 SCSI-2 backshell.
(6) Applies to cable version 2.0 or later.
A50V35C