Hitachi GR2000 Series Installation Manual page 126

GR2000 Installation Guide
Table 3-24
WAN 15-pin (Male) Connection Router 50-Pin
5
12
4
11
8
6
13
3
10
2
9
Table 3-25
WAN 35-pin (Male) Connection Router 50-Pin Specifications
B
E
J
F
D
H
Y
AA
U
W
P
S
R
T
LL
V
X
C
NN
A
3-24
Connector Specifications for NWVX-4, Pin Assignment for X.21
————— 2
————— 4
————— 26
————— 28
————— 34
————— 50
————— 48
————— 1
————— 3
————— 25
————— 27
-46
-6
Connector Specifications for NWVX-4, Pin Assignment for V.35
————— 34
————— 12
————— 24
————— 30
————— 16
————— 11
————— 38
————— 36
————— 41
————— 39
————— 19
————— 17
————— 20
————— 18
No connection 13
————— 42
————— 40
————— 15
No connection 14
—————
Specifications
I(A) (indication) (input)
I(B)
R(A) (receive) (input)
R(B)
G (signal ground)
S(A) (signal element timing) (input)
S(B)
C(A) (control) (output)
C(B)
T(A) (transmit) (output)
T(B)
Connection is required if the router is DTE.
Separate contact is required if it is DCE.
SG (signal ground)
DR (data set ready) (input)
Ci (call indicator) (input)
CD (carrier detect of data channel receive)
(input)
CS (clear to send) (input)
ER (data terminal ready) (output)
ST2(A) (send element timing 2) (input)
ST2(B)
ST1(A) (send element timing 1) (output)
ST1(B)
SD(A) (send data) (output)
SD(B)
RD(A) (receive data) (input)
RD(B)
LLB (output)
RT(A) (receive element timing) (input)
RT(B)
RS (request to send) (output)
Ti (test indicator) (input)
Shield (frame ground)
GR2K-GA-1002
Rev. 6.03