General DataComm SpectraComm 553 Installation & Operation Manua page 63

Operation
Firmware Filename Format:
VMMmmbbv.ppp
2-digit major revision level
Note
The Application Broadcast download can only be performed on master units, which occupy the same shelf
as the SCM. To download a remote unit you must use the Single Unit download and specify the appropri-
ate Slot/Line/Drop address.
6. While the download is taking place the Standby Firmware Status line displays Downloading.
That is followed by a period of approximately 40 seconds while it displays Calculating
Checksum.
076R155-000
Issue 7
3-digit product code-
083 for SC553
2-digit code correction level
2-digit minor revision level
SpectraComm 553 Fractional T1 DSU
Installation and Operation Manual
Terminal Interface
Address and Product Code
Format, Single Unit:
SSLLDD00.83
5-character product code-
00.83 for SC 553
2-digit Drop #
2-digit Line #
2-digit Slot # in hex -01-20 (32 decimal)
Address and product Code Format,
All SC 553 Units in Shelf:
applbr00.83
5-character product code-
00.83 for SC 553
Application Broadcast
3-33