1830A

Features
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Convenient kit for T1/E1 stations
Meets the T1 pulse mask as per ANSI
T1.403 and the E1 mask per ITU G.703
The protectors utilize PTC resistor
technology for automatic resetting
overcurrent protection and gas discharge
tube technology for overvoltage
protection
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Both protectors can be on-site configured
for either powered or unpowered spans
Simplicity of DIN-3 rail mounting; the rail
also serves as protector ground
Vibration proof screw-type clamping
connector interface
Model 1830-A T1/E1 Protection Assembly, Rail Mounted
Bourns Model 1830-A T1/E1 Protection Assemblies provide secondary overvoltage protection for multiple T1 or E1 lines.
DIN-3 Rail Mounted and able to accommodate future add-on modules, the assembly is designed to provide maximum surge
protection caused from direct and induced lightning surges, power line disturbances and ground potential rises.
Common installations of the 1830-A are power cabinets located in wireless base stations or other larger telecom service
entrance terminals.
Characteristics
Powered
Span
Unpowered
Span
Maximum System Voltage
Tip-Ring ........................................................................................................ 12 Vp-p .........................................
Tip/Ring-Gnd ................................................................................................ 170 Vpk ........................................
DC Breakdown Rating @ <2000V/s (Tip-Ring-Gnd) .......................................... 6.5 Vdc .........................................
Impulse Voltage Rating @ 100V/ms (Tip/Ring-Gnd) .......................................... 475 Vpk ........................................
Peak Clamping Voltage (Tip-Ring)
14 A1 10/1000µs ........................................................................................... 20 Vpk ..........................................
1 kA 8/20µs ................................................................................................... 30 Vpk ..........................................
5 kA 8/20µs ................................................................................................... 45 Vpk ..........................................
Maximum Current, per line
@ 65°C .......................................................................................................... 100 mA .........................................
@ 85°C .......................................................................................................... 66 mA ...........................................
Surge Life Tip/Ring-Gnd
14 A1 10/1000 µs .......................................................................................... 100 Operations .............................
500 A1 2/10 µs .............................................................................................. 1 Operation ...................................
100 A 10/1000 µs .......................................................................................... 300 Operations .............................
10 kA 8/20 µs ................................................................................................ 10 Operations ...............................
20 kA 8/20 µs ................................................................................................ 1 Operation ...................................
Pulse Mask
ANSI T1.403(1.544 Mbits/s) .......................................................................... Complies ......................................
CCITT G.703 (2.048 Mbits/s) ........................................................................ Complies ......................................
Data Attenuation
1.544 Mbits/s ................................................................................................ 0.6 dB ...........................................
2.048 Mbits/s ................................................................................................ 1.4 dB ...........................................
Capacitance @ 1.0 MHz, Tip-Ring ..................................................................... <75 pF ..........................................
Series Resistance, per line ................................................................................. 10 Ω ..............................................
Operating Temperature ...................................................................................... -40°C to +85°C .............................
Response Time .................................................................................................. < 1 ns ............................................
Wire Size, Input and Output ............................................................................... AWG 14 – 22 ................................
Warranty ............................................................................................................. 1 Year ............................................
12 Vp-p
6 Vpk
15 Vdc
20 Vpk
20 Vpk
30 Vpk
45 Vpk
100 mA
66 mA
100 Operations
1 Operation
300 Operations
10 Operations
1 Operation
Complies
Complies
0.6 dB
1.4 dB
<75 pF
10 Ω
-40°C to +85°C
< 1 ns
AWG 14 – 22
1 Year
1
applies to model 1830
Asia-Pacific:
TEL +886- (0)2 25624117 • FAX +886- (0)2 25624116
Europe:
TEL +41-41 7685555 • FAX +41-41 7685510
North America:
TEL +1-909 781-5500 • FAX +1-909 781-5700
REV. A
Specifications are subject to change without notice.
bourns.com
COPYRIGHT© 2001, BOURNS, INC. LITHO IN U.S.A. IP 09/01 G0133
Model 1830-A T1/E1 Protection Assembly, Rail Mounted
Product Dimensions
18.80
(.74)
RING
UNPOWERED
TIP
SPAN
83.0
(3.3)
POWERED
RING
SPAN
SPAN
POWERED
SPAN
TIP
UNPOWERED
RING
UNPOWERED
TIP
POWERED
RING
UNPOWERED
TIP
POWERED
Example: 1830-A261
48.0
(1.9)
RING
TIP
RING
TIP
RING
TIP
RING
TIP
45.72
(1.8)
DIMENSIONS:
MM
(INCHES)
How To Order
1830-A X
X
X
Model Number Designator
Number of Protected T1 Lines1
1 = One line (two protectors)
2 = Two lines (four protectors)
3 = Three lines (six protectors)
4 = Four lines (eight protectors)
5 = Five lines (ten protectors)
Rail Length
1 = 2.8” long - Accommodates one pair of protectors without ground wire clamp
2 = 4.2” long - Accommodates one pair of protectors with ground wire clamp
3 = 5.6” long - Accommodates two pair of protectors with ground wire clamp
4 = 7.0” long - Accommodates three pair of protectors with ground wire clamp
5 = 8.4” long - Accommodates four pair of protectors with ground wire clamp
6 = 9.8” long - Accommodates five pair of protectors with ground wire clamp
Without ground wire clamp, use next shorter rail.
For smaller spaces, use next shorter rail.
(Rail mounting screw heads will be partially hidden under clamps.)
Ground Wire Clamp and 24” AWG #12 Insulated Ground Wire
0 = Without clamp and wire
1 = With clamp and wire
Notes:
Two protectors are required for each T1 line, one for transmit and one for receive.
Slots in rail are .21” wide; will accomodate #10 screw. Drill enlarge for bigger screw.
1
Specifications are subject to change without notice.
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