Installation manual

COMSPHERE 3000 Series Carrier
2-6 March 2001 3000-A2-GA31-F0
Installing a Carrier Without
Threaded Screw Holes
" Procedure
1. Position the carrier in the cabinet and determine
the front rail holes to be used.
2. Slip a self-retaining nut onto each rail hole
selected and align the hole of the nut with the hole
in the rail.
3. Line the carrier mounting bracket up with the
self-retaining nut, and turn the screw into the
carrier mounting bracket and the nut. Start all four
screws, then tighten all four until each screw head
is flush with the carrier and the carrier is securely
mounted in the cabinet.
Front Rail
Mounting
Bracket
Keyhole
496-12294a-02
Front of 19-inch Carrier Cabinet
7th Hole
Speed Nut
Screw
4. Install the next carrier in the same manner (from
the bottom up) using Steps 1 through 3.
SDCP Installation
An SDCP can control up to eight carriers containing:
• Up to 128 compatible T1 CSUs, T1 DSU/CSUs,
DSUs, or dial/lease modems, or
• A reduced number when TDMs, MCMPs, DBMs,
or dial/lease multiport modems are also installed.
Select
SDU123 456 789 10111213141516
COMSPHERE 3000
Select
Key
Status
Indicators
Carrier Slots 1–16
F1 F2 F3
OK Alarm BckUp Test EC
Keypad
LCD
Display
496-12348a-03
If your configuration has two or more carriers, an SDU
is also required in each carrier to connect the SDCP
interface from carrier to carrier. Refer to the SDU
Installation section, page 2-16.
The following table defines the SDCP status indicators.
Label
Color Description
OK green Health and status indicator for the
selected device. Mirrors the OK
indicator on the faceplate, except for
dial/lease modems, where OK
replaces the power indicator.
Alarm red Health and status indicator for the
selected device. Mirrors the Alrm
indicator.
BckUp yellow Mirrors the Dial indicator on the
selected device. Not used for
T1 CSUs and T1 DSU/CSUs.
Test yellow Mirrors the Test indicator on the
selected device.
EC green Error Correction indicator for dial/
lease modems. Not applicable for
other devices.