Northern Telecom BCS35 Replacement Manual page 9

Table 16–1 Four–channel communications circuit pack (A17) options – part number:
NT6M85AA 16–6
Table 17–1 Fuse replacement information 17–3
List of Procedures
Procedure 1–1 DPP troubleshooting procedure – no specific fault indicator available
1–3
Procedure 1–2 DPP circuit packs replacement – changing processor modes 1–5
Procedure 3–1 CPU circuit pack replacement – slot 1 2–3
Procedure 3–1 EPROM IC installation procedure 3–3
Procedure 4–1 Memory Expansion circuit pack replacement 4–2
Procedure 5–1 Error control II circuit pack replacement (A5) 5–3
Procedure 6–1 QSIO circuit pack replacement 6–3
Procedure 7–1 Replacing the 56K Interface circuit pack (A5) 7–3
Procedure 8–1 Disk Interface circuit pack replacement 8–2
Procedure 9–1 Replacing the Disk Interface circuit pack 9–3
Procedure 10–1 Replacing DSI circuit packs (A12,A13,B12,B13) 10–2
Procedure 11–1 Replacing bus terminator circuit pack 11–2
Procedure 12–1 P/A Comm circuit pack replacement 12–3
Procedure 13–1 Disk XOVR circuit pack replacement 13–2
Procedure 14–1 SCSI XOVR circuit pack replacement 14–2
Procedure 15–1 56K XOVR circuit pack replacement 15–2
Procedure 16–1 Four–Channel Comm circuit pack replacement 16–3
Procedure 17–1 Power supply replacement 17–4
DPP Card Replacement Guide BCS35 and up
Contents vii