Specifications

Appendix D. DTE Interface Connectors ASMi-31 Installation and Operation Manual
D-4 General
Table D-1 DTE Interface Signal Assignments (Cont.)
RS-232 V.35 EIA-530 X.21
Signal
Function
DB-25
Stand-
alone
and
Frame
DB-25
Frame
34-pin
Standalone
Pin Circuit
DB-25
Standalone
and Frame
Pin Circuit
DB-25
Frame
DB-15
Standalone
Pin Circuit/
(Function)
Description
Remote
Loopback
21 21 N and h 140 21 RL A control signal
input; when
on, commands
ASMi-31 to
send a remote
Loopback
command
(V.54 Loop 2)
to the remote
ASMi-31. See
Table 2-1.
Test Indicator 25 25 n and k 142 25 TM A control signal
output from
ASMi-31;
positive during
any test mode.