ADC HiGain HRU-402 Manual page 16

Product Description
Name
Status LEDs
Loopback (LPBK)
Control button
DS-1 Receive (RCV)
Level (LEV) switches
-7.5/-15 Sets the DS-1 receive level toward the CI according to the switch
-7.5 Sets the DS-1 receive level toward the CI to -7.5 dB if switch above
-15 Sets the DS-1 receive level toward the CI to -15 dB if switch above
DS-1 XMT and RCV
Bridging jacks
RS-232 Craft port
CLEI/ECI Bar code
label
Configuration
number label
Extraction handle
(a) Any existing loopbacks are terminated before NREM loopback is activated.
(b) Default Setting.
8
Table 2. Front-panel Features
Function
See Table 3 on page 9
Pressing the button for five seconds activates a remote loopback
towards the Network at the Remote unit Loopback (NREM). The
unit can be unlooped by either pressing the LPBK control button
again for five seconds or by the standard loopdown coded
messages. Also provides the ability to loopdown other
(a)
loopbacks.
Sets DS-1 RCV. Line build out level output toward the Customer
Interface (CI).
0 Sets the DS-1 receive level toward the CI to 0 dB.
setting below.
is set to -7.5/-15.
is set to -7.5/-15.
Provides bridging test and monitor access jacks to the CPE DS-1
interface. Provides both monitor and test access capability.
See Figure 5 on page 17
Provides bidirectional communication between the unit and an
external maintenance terminal through an RS-232 interface to
allow configuration and performance monitoring through the
Maintenance Terminal menus. See the section
Terminal Emulator" on page 20
Contains human-readable Common Language Equipment
Identifier (CLEI) code number and Equipment Catalog Item (ECI)
bar code number.
Contains either a five-digit or six-digit warranty configuration
number or a standalone two or three-digit configuration number as
follows:
Digit 1 = Last digit of shipment year
Digits 2 and 3 = Shipment month
Digits 4, 5 or 6 = Configuration number
Handle used to remove the HRU-402 from the remote enclosure.
December 8, 1998
for status descriptions.
for circuit details.
for operating procedures.
150-402-111-02
(b)
"Connecting to a
HRU-402 List 1A