The UB-530 supplies convenient access to IESS-308,
Rev. 4, Engineering Service Channel (ESC) via standard connector, and
provides access to the IESS-309 1/15 overhead order wire and alarms.
The UB-530 provides industry standard connectors for DS1, G.703, and
EIA-422/449 interfaces. The V.35 electrical interface is available wired
per EIA-530 specifications. DS1 and G.703 can be configured for balanced
or unbalanced data I/O at the front panel via rear panel switches. The
UB-530 also provides standardized interfaces for D&I G.703 data.
Both balanced and unbalanced interfaces for drop data I/O and insert
data I/O are provided, and can be configured via rear panel DIP
REAR PANEL CONNECTORS
FRONT PANEL CONNECTORS
EIA-422 Interface and 8 kbit/s IDR/ESC
37-Pin D (EIA-449)
V.35 Interface 25-Pin D (EIA-530) Engineering Service Channel