Data Channels and Switching Configuration
NetRunner W
AN User’s Manual
5-12
Table 5-3. CCM and 6-Channel CEM
1
Local Sync Channel Interface
Configured to DCE
NetRunner
Constant Carrier
Controlled Carrier
DTE
Pin
I/O
Mode
Mode
Pin
I/O
Signal
8
O
Held
on
Leads output data.
4
I
RTS
11
I
. . .
Must be
on
to enable
data output.
5
O
CTS
4
I
. . .
Ignored (except in
RTS/CTS mode)
8
O
CD
25
I
Start ring frame is sent to remote when off-to-on
transition is detected. Stop ring frame is sent to
remote if no transition is detected for three seconds.
22
O
RI
6
O
Change as detected by remote unit.
20
I
DTR
20
I
Send changes as detected to remote unit.
6
O
DSR
22
O
Changes as detected by remote unit.
25
I
Busy
5
O
. . .
Follows unassigned input
at remote end.
. . .
. . .
Unassigned
15
O
Not affected by carrier mode.
. . .
. . .
External
Rx Clock
17
O
Not affected by carrier mode.
24
I
External
Tx Clock
18
I
Not affected by carrier mode.
15
O
Tx Clock
24
I
Not affected by carrier mode.
17
O
Rx Clock
Key:
I = Input
O = Output
1
5000E/6 and 5000E/6DMA sync/async module only