CSR Training - Quiz Guide

Are there any fees associated with late or missed payments? If so, describe them.

Late Fees - Late fees apply to a customer when they fail to pay on time. The payment is due on the 1st of every month and the late fee applies when they fail to pay in by the due date of 11th. After the 13th they become delinquent and are not only responsible for the late fee and paying the original amount but they also have to pay a reactivation fee ($25) if there account was deactivated for non payment.
PowerCode shows a radio offline for 3 days. PoE checks out fine. Power cycle does not restore connectivity. What is the most likely issue and next step?

Radio - More than likely a failed radio however TRY to bypass the router and see if they get link.
Customer reports that their internet connection drops whenever it rains. What is the most likely cause?

Rain Fade - This can cause issues on the network (Certain areas affected more than others). Know when to use this term and when to not. We should not be telling clients the problem is due to Rain Fade.
An ethernet link shows 10base-T Half Duplex. What is the best next step?

Ethernet Link - Test the cable by plugging it into another device and see if the negotiation remains the same. If it does it's a bad cable if not it could be a bad port on the device.
What signal level is considered good on a PMP450?

Signal level - While signal level may vary a good signal is general considered to be -60dBm or higher.
What SNR is considered good on a PMP450?

SNR - Should be 20+dB or higher, if it's lower we should investigate the cause.
How do we send invoices/bills to customers?

Billing - Is done entirely in PowerCode, In this specific case the system sends them an invoice via email.
(A) Customer radio is online but slow. List the triage steps in order (at least 6). (Split into two questions)

Check RF stats (signal, SNR, modulation)
Check ethernet link (negotiation, errors)
Verify radio uptime/stability
Define what “slow” means
Perform bypass test
If bypass is good → customer network issue
If bypass is slow → continue network troubleshooting

10. (B) Customer radio is online but navigating the radio is slow. What is your triage approach?

Check RF stats
Check latency/packet loss to radio
Check AP health/load
Determine if other customers are affected
Check backhaul performance
Identify if issue is isolated or sector-wide
Escalate if needed
PoE light fades slowly when unplugged from power. What does this mean?

Likely:
Bad/disconnected cable
Failed radio
PoE light turns off immediately when you plug the radio cable into the PoE. What does this indicate?

Indicates short or fault
Likely:
Bad cable
Failed radio
Do we offer 24/7 call center support? If so, what is the process for after-hours escalation?

Call Support - We do offer 24/7 support, the structure is built as follows.
Mon-Fri 8AM-6PM NOC Support / Sat 9AM-1PM NOC Support
After hours:
Calls handled by ServerPlus
PowerCode ticket is created
Our team reviews and addresses the issue
What is CCQ on Ubiquiti and what should it be?
Client Connection Quality
- 100% CCQ → your link is delivering perfect efficiency (no wasted airtime)
- 50% CCQ → half your airtime is wasted (retries, drops, inefficiencies)
So CCQ is not just signal strength—it’s link efficiency.

The CCQ should effectively be at or above 90% any lower than that and there are issues we should investigate.
What day of the month do we bill customers?

Billing Cycle - We bill on the 1st of the month, the client is late if they do not pay by the 11th of the month and they are delinquent if they haven't paid by the 13th of the month.
Where can a customer find our Terms of Service? (Multiple Choice)

They can find it on our website Bertram Communications, They also should have a copy from their bill that is emailed to them every month.

Note: Our (ToS) is inherent, meaning, if they pay the bill they by default accept the terms.
Bypass test shows good speeds but customer says WiFi is still slow. Whose problem is it?

Issue is customer router / internal network
If managed router → we troubleshoot
If customer-owned → provide guidance/resources
Adjust support based on workload and availability
A customer calls wanting to cancel their service. What are some strategies or options you can offer to try and retain them? (List at least 4 approaches or incentives).

Identify reason for cancellation
If service issue → fix it
If price issue → offer discount
If speed issue → offer higher plan
If leaving regardless → offer $10 backup service
At what signal level should you consider escalation or truck roll?

-75 dBm or worse (approaching -80 dBm)
Describe the bypass test procedure step by step.

Unplug WAN cable from router
Plug into test device
If NAT/Option 82 → no changes needed
If bridged → add device MAC in PowerCode
Test connectivity and speeds
Customer has a PMP450 that keeps dropping every 5-10 minutes, but signal is -60 dBm (good) and SNR is normal. What's your triage approach?

Check system uptime
If resetting → power issue
Check PoE, outlet, switch-controlled outlets
If stable:
Check session drops
Check ethernet issues
Check AP / other users
If multiple users affected → escalate
ePMP uses CINR instead of SNR. What value is considered good?

20 dB or higher

CINR (Carrier to Interference-plus-Noise Ratio) - Roughly the same value as SNR CINR is explained below.

CINR vs SNR (Why Cambium Uses CINR)

SNR (Signal-to-Noise Ratio)

Only considers noise floor

Assumes no external interference

Works fine in clean lab conditions

CINR (Real-World Metric)

Includes co-channel interference

Reflects crowded RF environments (WISPs, urban areas)

Much more predictive of actual throughput

In modern unlicensed bands (2.4 GHz, 5 GHz), interference is usually much larger than noise, so SNR becomes misleading.
Describe our cancellation policy. Do customers get a refund if they cancel mid-month?

30-day notice required
$350 ETF if under contract
Equipment:
Return themselves, or
$50 pickup fee
If not returned → billing continues
No refunds for partial months
What modulation level is considered good on PMP450?

8x2 MIMO-B or better
PoE has no light at all. What is your first step?

Verify power / try a different outlet
What frequency bands do we use for SM/CPE? Are they different across our brands (BW, DCB, XL, OpticLoop)?

Bands used:
5 GHz
3 GHz (CBRS)
2.4 GHz
900 MHz
By brand:
BW/DCB: Primarily 5 GHz, others as needed
XL: Primarily 5 GHz, some 2.4 GHz
Optic Loop: Primarily 5 GHz and 2.4 GHz

List of equipment we have and what frequency they operate under.

Cambium
PmP 450 - 2.4Ghz/3Ghz/5Ghz
PmP 450i - 900Mhz/3Ghz/5Ghz (i stands for Industrial) Note: Please read this guide for knowledge on the i series.
PmP 450m - 3Ghz/5Ghz (m stands for Medusa) Note: Please read this guide for knowledge on the m series.
ePmP 1000 - 2.4Ghz/5Ghz
ePmP 2000 - 5Ghz
ePmP 3000 - 5Ghz

Ubiquity
AirOS
(NanoStation M5, Rocket M5, LiteBeam M5, etc.) 5Ghz
When is a customer considered delinquent or late on their payment?

Billing Cycle - We bill on the 1st of the month, the client is late if they do not pay by the 11th of the month and they are delinquent if they haven't paid by the 13th of the month.
Customer says internet is slow every evening around 6-7PM. What is the likely cause?

Network congestion
Customer network or
AP / sector congestion