Nortel Networks NN43001-301 - Manual (Page 82)

82 DCH installation
Jumper settings
The NT6D11AB/AE/AF has two banks of option straps, one for each port.
These select between DCE and DTE operation and whether the signalling
interface is RS232 or RS422. Refer to
Figure 36 "NT6D11 DCH with
ISL high-speed programming jumper settings" (page 82) and Figure 37
"NT6D11 DCH with ISL low-speed programming jumper settings" (page 83) .
Figure 36
NT6D11 DCH with ISL high-speed programming jumper settings
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Copyright © 2003-2007, Nortel Networks
.