Nortel Communication Server 1000S Maintenance Manual page 209

Note: Protocol converters AO378652 and AO381016 supplied with the
system are not gender changers.
Figure 35
ISL back-to-back connection
NTAK02
Port settings:
• For port 3, DCHI X, program the following settings in LD 17:
— CLOK = INT (Internal clock)
— SIDE = SLAV (Slave)
Set NTAK02 port 3 jumper plugs to DCE and RS-422.
• For port 1, DCHI Y, program the following settings in LD 17:
— CLOK = EXT (External clock)
— SIDE = MAS (Master)
Set NTAK02 port 1 jumper plugs to DTE and RS-422.
2.0 Mb ISL maintenance
Port 1, DCHI Y
25 pin female-to-female
Gender changer
NTAK19BA custom cable
Port 3, DCHI X
ISDN Primary Rate Interface
Page 209 of 210
Maintenance