JDS Uniphase SmartClass E1, Руководство пользователя

Страница: 137 / 144

Appendix B Specifications
Datacom specifications
SmartClass E1 Tester User’s Guide 121
V.35 pin assignments
Table 49 lists the pin assignments for the V.35 interface.
Table 49 V.35 pin assignments
Pin
Position Signal
Description Signal
Source
Circuit
Electrical
Characteristics
A Shield DTE, DCE N/A N/A
B Signal Ground DTE, DCE 102
C Request to Send DTE 105 V.28
D Ready for Sending DCE 106 V.28
E Data Set Ready DCE 107 V.28
F Data Channel
Received Line
Signal Detector DCE 109 V.28
H Data Terminal
Ready DTE 108 V.28
L Local Loop DTE 141 V.28
N Remote Loop DTE 140 V.28
n Test Mode DCE 142 V.28
P Transmitted Data
(B Lead) DTE 103 V.35
R Received Data
(A Lead) DCE 104 V.35
S Transmitted Data
(B Lead) DTE 103 V.35
T Received Data
(B Lead) DCE 104 V.35
V Receiver Signal
Element Timing
(B Lead) DCE 115 V.35
Y Transmitter Signal
Element Timing
(A Lead) DCE 114 V.35
a Transmitter Signal
Element Timing
(B Lead) DCE 114 V.35