Cisco NM-4B-S/T | 4-Port ISDN-BRI Network Module for Catalyst 3600

1. Port Quantity: 4
2. Data Transfer Rate: 128 Kbps
3. Connectivity Technology: Wired
4. ISDN Interface: BRI S/T
5. Line Rate: T-1/E-1
6. Compatibility: Cisco Catalyst 3600 Series Routers
7. Max Operating Temperature: 104°F
8. Min Operating Temperature: 32°F
9. Humidity Range Operating: 10 - 85%
10. Dimensions (WxDxH): 7.1 in x 7.2 in x 1.6 in
11. Weight: 1.1 lbs
12. Compliant Standards: FCC Class A certified, CSA, UL, CISPR 22 Class A, EN 60950, EN55022, ICES-003, VCCI Class A ITE

Notes:
1. Provides high-speed connectivity to remote sites or branch offices.
2. Offers reliable and secure data transfer between devices.
3. Easy to install and compatible with Cisco Catalyst 3600 Series Routers.