Nortel Meridian 1 Replacement Manual page 234

Page 234 of 362
553-3001-520 Standard 16.00 April 2000
Replacing equipment
Set the address for the DDCH; refer to Table 9 for DCH mode and address
select switch settings. If a DDCH is present on a DDP card then an external
D-Channel should NOT be connected to JC. If a DDCH is present, the LED
"DCH" will light up.
Table 9
DCH mode and address select switch settings
Switch
1-4 D-Channel Daughterboard
Address
5-7 For future use
8 External DCH or Onboard
DDCH
1 The DDCH can be mounted on any DDP card.
2 Unpack and inspect the DDCH daughterboard.
3 Push the four stand-offs on the DDCH daughterboard into the four
corresponding mounting holes on the DDP.
Note: The DDCH daughterboard mounts to mate correctly with P2
and P3 on the DDP motherboard.
Description S3 switch setting
See Table 10 on page 235.
off
off - MSDL or DCHI card
on - Onboard DDCH
Daughterboard