2540 Busy-Hour Call Attempts (BHCA) is based on a Full Capacity.
2.9 IP Terminal Power Chart
Table 5-5 IP Terminal Power Chart
IP Terminal
IEEE
802.3af
Class
Label Indication (Maximum Current with All Op-
tions)
Note
48 VDC 27 VDC
IP4WW-24TIXH-C TEL Class 2 130 mA 6.2 W 235 mA 6.3 W
2.10 IEEE802.af Class Specification
Table 5-6 IEEE802.af Class Specification
IEEE802.af Minimum Maximum
Class 2 3.84 W 6.49 W
2.11 SLT Ring Signal Specification (V5.0 or higher)
Description Specification
Normal Current 20 mA
Ring Signal Voltage 75 VAC
Frequency 20 Hz or 25 Hz
2.12 Mechanical Specifications
Table 5-7 Mechanical Specifications
Equipment Width Depth Height Weight Note
1228M-B KSU 375 mm
(14.76 in)
115 mm
(4.53 in)
290 mm
(11.42 in)
Approx. 2 kg
(70.55 oz)
External Backup Battery 500 mm
(19.69 in)
230 mm
(90.55 in)
340 mm
(13.39 in)
10.3 kg (excluding battery)
(363.32 oz)
15.6 kg (including battery)
(550.27 oz)
Multiline Telephone 180 mm
(7.09 in)
221 mm
(8.70 in)
136 mm
(5.35 in)
0.90 kg
(31.75 oz)
DSS Console 122 mm
(4.80 in)
221 mm
(8.70 in)
113 mm
(4.45 in)
0.45 kg
(15.87 oz)
Doorphone 98 mm
(3.89 in)
28.5 mm
(1.12 in)
130 mm
(5.12 in)
0.2 kg
(7.05 oz)
ISSUE 4.1 (R5.1) SL1100
Hardware Manual 5-5
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